{
  "schema": "canli.company-reference.v1",
  "cik": "0000890264",
  "name": "EXA CORP",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000890264.json",
  "source_sha256": "cd98319e249473129c55272214c3e9af2d3a59ec6f5300d0f06bbbae19d2f08c",
  "fetched_at": "2026-09-22T19:33:45.982Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 69074000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 79021000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 63053000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 84849000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 84070000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 54566000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 49900000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 61534000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 44162000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 49316000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 49299000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 57511000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 19174000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 17487000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 18891000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 35533000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 34771000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": -35623000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-01-31",
          "val": -50309000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-01-31",
          "val": -51341000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 24552000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 27649000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 21785000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 28753000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 30716000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 11468000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-01-31",
          "val": 2780000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "unit": "USD"
        },
        {
          "end": "2010-01-31",
          "val": 2402000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": -1132000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": -4807000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": -19157000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -709000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 763000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 14138000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 691000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 8427000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": -9425000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 9033000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 2757000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 4065000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 2250000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 768000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 746000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 419000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 120000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 265000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 72580000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 65447000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 61431000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 54514000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 48868000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 45930000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 37907000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -9479000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 28873000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 3333000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": -2053000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -746000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": -419000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": -3663000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": -265000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": -74817000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": -73685000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": -68878000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": -49721000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": -49012000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": -49775000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 14779117,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 14520834,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 13735897,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 13326883,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 7929364,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 493763,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 491623,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 14779117,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 14520834,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 13735897,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 13326883,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 12896487,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 10324811,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 10154136,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": -0.08,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": -0.33,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": -1.39,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -0.05,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 0.1,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 28.63,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 1.41,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": -0.08,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": -0.33,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": -1.39,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -0.05,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 0.06,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 1.37,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 0.07,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 1611000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 1542000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 16731000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -920000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 112000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": -10706000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 826000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 14028000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 12032000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 6961000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 7356000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 6176000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 3364000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-01-31",
          "val": 2239000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 1993000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 2276000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 2230000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 1210000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 924000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 636000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 281000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 396000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": -2726000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": -2447000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -122000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 1960000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 5035000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 3116000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 51709000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 63428000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 52345000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 60319000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 61464000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 32212000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 140000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 236000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 342000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 694000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 1635000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 1289000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 1415000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 45928000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 51333000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 41458000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 44989000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 38838000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 48231000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 4616000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 3462000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 1620000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 1684000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 1743000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 2507000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 1694000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 2044000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 2395000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 2745000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 3096000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 3479000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 24259000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 32072000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 27462000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 27245000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 27840000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 19205000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 68173000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 63878000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 54636000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 46908000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 40895000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 34791000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CostOfRevenue",
      "taxonomy": "us-gaap",
      "label": "Cost of revenue",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Costs attributed to goods produced and sold and services provided during the period. This is not the sum of every operating expense.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 19427000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 20117000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 18933000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 15959000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 14154000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 12075000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 9896000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 24319000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 24140000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 21809000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 18240000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 16687000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 14449000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 12777000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 14893927,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "shares"
        },
        {
          "end": "2016-01-31",
          "val": 14631119,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "shares"
        },
        {
          "end": "2015-01-31",
          "val": 13842242,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2014-01-31",
          "val": 13356210,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-01-31",
          "val": 13287213,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-01-31",
          "val": 497128,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": -540000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": -469000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": -426000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 40000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": -16000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": -53000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2013-01-31",
          "val": 7365000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-03-30",
          "val": 3500000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2012Q1I",
          "unit": "USD"
        },
        {
          "end": "2011-01-28",
          "val": 5000000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 26594000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 21044000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 23652000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 21706000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 18821000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 14405000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 12566000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 9012000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 16691000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 14350000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 12645000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 11041000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherAssetsNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 725000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 737000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 567000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 1123000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 1060000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 3259000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 429000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 678000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 592000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 528000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 1009000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 1262000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccruedLiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Accrued current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current obligations accrued for goods and services received but not yet invoiced or paid. This is one component of current liabilities, not all short-term obligations.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 10569000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 12199000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 10585000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 10285000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 7284000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 8712000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PrepaidExpenseAndOtherAssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Prepaid expenses and other current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Prepayments and other current assets grouped under this concept. The balance is not cash and its composition differs by filer.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 2898000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 3707000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 3098000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 4321000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 1938000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 1314000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2017-01-31",
          "val": 1487000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-01-31",
          "val": 1037000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-01-31",
          "val": 632000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-01-31",
          "val": 15566000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-01-31",
          "val": 13379000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-01-31",
          "val": 12477000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Pre-tax income or loss from continuing operations",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income or loss from continuing operations before income taxes and noncontrolling interests. It excludes discontinued operations and is not net income.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 479000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": -3265000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": -2426000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -1629000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 875000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 3432000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 1517000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": -1203000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": -4850000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": -19623000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -653000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 800000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 14027000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 749000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "General and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "General and administrative costs reported under this concept, separate from selling expense. Filers group overhead differently, so compare presentation before comparing companies.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 14582000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 13766000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 12468000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 10894000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 8952000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 8138000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 6008000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 1834000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 1626000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 1438000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 1356000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DepreciationDepletionAndAmortization",
      "taxonomy": "us-gaap",
      "label": "Depreciation, depletion and amortization",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Combined depreciation, depletion and amortization for the period. A noncash allocation of asset cost, not a measure of maintenance spending.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 4077000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 3520000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 2917000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 2185000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 2009000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 1502000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 1356000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 350000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 350000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 350000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 351000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 383000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 64000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 13000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 7000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 7000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 10000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 529000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": -213000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 10000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Total nonoperating income or expense, which can include interest, investment results and other items. A positive value is not operating profit.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 83000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": -539000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 21000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -1507000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": -1085000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": -1603000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": -1599000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": 1707000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 1627000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 1588000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": 1264000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 758000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 1576000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 1080000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": -96000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": -85000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 15143000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -2184000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": -646000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": -12282000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": -254000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsReceivable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts receivable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in receivables during the period. A positive value under this concept means receivables grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": -7779000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 4563000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": 188000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -610000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": 8648000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": -4186000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": 5282000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsPayable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts payable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in payables during the period. A positive value under this concept means payables grew and added to operating cash flow.",
      "observations": [
        {
          "start": "2016-02-01",
          "end": "2017-01-31",
          "val": -349000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-02-01",
          "end": "2016-01-31",
          "val": 1408000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-02-01",
          "end": "2015-01-31",
          "val": -55000,
          "accn": "0001564590-17-005008",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-22",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-02-01",
          "end": "2014-01-31",
          "val": -57000,
          "accn": "0001193125-16-511938",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-03-21",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-02-01",
          "end": "2013-01-31",
          "val": -773000,
          "accn": "0001193125-15-103290",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-03-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-02-01",
          "end": "2012-01-31",
          "val": 1910000,
          "accn": "0001193125-14-115995",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-03-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-02-01",
          "end": "2011-01-31",
          "val": -394000,
          "accn": "0001193125-13-147360",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-04-09",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/cd98319e249473129c55272214c3e9af2d3a59ec6f5300d0f06bbbae19d2f08c.json.gz"
}
