{ "schema": "canli.company-reference.v1", "cik": "0001002135", "name": "WESTELL TECHNOLOGIES, INC.", "selection_policy": "extended-v23", "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001002135.json", "source_sha256": "ede9e0efde6f63961aad69f8f57139b43a111a6fe98b46294f20feed1a4546f8", "fetched_at": "2026-09-22T19:37:02.172Z", "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": "2021-03-31", "val": 32252000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 37526000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 48897000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 60459000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 65541000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 86031000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 99334000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 162319000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 142437000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 197426000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 201387000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2011Q1I", "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": "2021-03-31", "val": 10093000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 5865000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 7717000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 8164000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 13367000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 19347000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 17595000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 23677000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 11360000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 11062000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 42106000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "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": "2021-03-31", "val": 22159000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 31661000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 41180000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 52295000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 52174000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 66684000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 81739000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 138642000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 131077000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 186364000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 159281000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-03-31", "val": 87731000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010Q1I", "unit": "USD" }, { "end": "2009-03-31", "val": 76448000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009Q1I", "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": "2021-03-31", "val": 16884000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 20869000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 25457000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 24963000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 21778000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 19169000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 14026000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 35793000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 88233000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 120832000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 86408000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-03-31", "val": 61315000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010Q1I", "unit": "USD" }, { "end": "2009-03-31", "val": 46058000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009Q1I", "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": "2020-04-01", "end": "2021-03-31", "val": -2734000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -10102000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": -11382000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 31000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -15941000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -16212000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -58902000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 4376000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -44038000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 41982000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 67936000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 10327000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 95000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -2272000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": -760000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 6945000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -7011000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -5607000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -9287000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 1597000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -12125000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": -4956000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 24235000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 17506000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 72000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 185000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 290000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 408000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 596000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 1932000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 2137000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 443000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 379000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 819000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 785000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 948000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 29947000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 29956000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 43570000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 58577000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 40044000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 69655000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 147849000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "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": "2020-04-01", "end": "2021-03-31", "val": -4008000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -192000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": -1233000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": -574000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -338000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -916000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -1710000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 1318000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -12646000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": -15673000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 2019000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": -1468000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": -72000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -2124000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 2489000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": -3185000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 9959000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 11683000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -10763000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": -55348000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -7831000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 55150000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": -1275000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": -948000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2021-03-31", "val": -353534000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": -350800000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": -340698000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-04-01", "val": -329316000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "unit": "USD" }, { "end": "2018-03-31", "val": -329645000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": -329676000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": -313735000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": -297436000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": -238534000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": -242910000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": -198872000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": -240854000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "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": "2020-04-01", "end": "2021-03-31", "val": 13340000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "shares" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 15530000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "shares" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 15517000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "shares" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 15497000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "shares" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 15344000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "shares" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 60786000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "shares" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 59985000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "shares" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 58786000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "shares" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 59944000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "shares" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 66657000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "shares" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 67848000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "shares" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 67987000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 13340000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "shares" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 15530000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "shares" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 15517000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "shares" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 15707000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "shares" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 15344000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "shares" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 60786000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "shares" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 59985000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "shares" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 60048000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "shares" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 59944000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "shares" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 66657000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "shares" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 69477000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "shares" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 68573000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": -0.2, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -0.65, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2018-04-01", "end": "2019-03-31", "val": -0.73, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 0, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -0.26, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -0.27, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -0.98, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 0.07, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -0.73, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 0.63, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 1, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 0.15, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": -0.2, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -0.65, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2018-04-01", "end": "2019-03-31", "val": -0.73, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 0, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -0.26, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -0.27, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -0.98, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 0.07, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -0.73, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 0.63, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 0.98, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 0.15, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": -22000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 36000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 39000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": -597000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 58000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -102000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -201000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": -7910000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 29392000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": -686000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": -53304000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": -814000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2021-03-31", "val": 915000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 1076000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 1298000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 1601000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 1984000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 3977000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 3603000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 2681000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 1081000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 1197000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 3250000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "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. 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The balance includes more than short-term borrowing.", "observations": [ { "end": "2021-03-31", "val": 6159000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 5300000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 7097000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 7036000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 11966000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 17237000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 14347000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 20166000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 8079000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 6470000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 34387000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "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": "2021-03-31", "val": 1920000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 1065000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 2313000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 1903000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 4163000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 7856000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 4011000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 7508000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 4126000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 3142000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 23664000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "unit": "USD" } ] }, { "tag": "Goodwill", "taxonomy": "us-gaap", "label": "Goodwill carrying amount", "kind": "instant", "unitKind": "money", "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.", "observations": [ { "end": "2016-03-31", "val": 0, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 0, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 31997000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 0, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 801000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 2197000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2011Q1I", "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": "2021-03-31", "val": 1142000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 2728000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 3278000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 11435000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 15624000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 20388000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 25942000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 32319000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 5063000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 2376000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "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": "2021-03-31", "val": 4492000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 4047000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 6865000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 8872000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 12075000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 16361000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 11845000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 15831000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 6689000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 5710000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 24252000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "unit": "USD" } ] }, { "tag": "PaymentsForRepurchaseOfCommonStock", "taxonomy": "us-gaap", "label": "Common-stock repurchase payments", "kind": "duration", "unitKind": "money", "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.", "observations": [ { "start": "2020-04-01", "end": "2021-03-31", "val": 7283000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 192000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 1233000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 574000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 163000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 108000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 863000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 359000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 12733000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 17385000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 561000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 1429000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 14753000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 20169000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 29988000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 26621000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 39802000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 51272000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 86050000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 43894000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 25941000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 19119000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 31755000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 32142000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "unit": "USD" } ] }, { "tag": "InventoryNet", "taxonomy": "us-gaap", "label": "Net inventory", "kind": "instant", "unitKind": "money", "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.", "observations": [ { "end": "2021-03-31", "val": 4939000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 6807000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 9801000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 9222000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 12511000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 13498000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 16205000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 24056000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 12223000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 9906000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 12955000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "unit": "USD" } ] }, { "tag": "GrossProfit", "taxonomy": "us-gaap", "label": "Gross profit", "kind": "duration", "unitKind": "money", "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.", "observations": [ { "start": "2020-04-01", "end": "2021-03-31", "val": 10072000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 9647000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 18364000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 25167000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 23749000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 34516000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 26810000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 40461000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 12616000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 17172000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 41552000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 37390000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 4032000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 5346000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 6790000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 7375000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 12367000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 19317000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 17348000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 11339000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 5928000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 5460000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 11774000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 11363000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "unit": "USD" } ] }, { "tag": "AdditionalPaidInCapital", "taxonomy": "us-gaap", "label": "Additional paid-in capital", "kind": "instant", "unitKind": "money", "meaning": "Capital contributed above par value under this concept. It records historical contributions, not the current value of the equity or cash on hand.", "observations": [ { "end": "2021-03-31", "val": 420142000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 419630000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 418859000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 417691000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 416422000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 414374000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 413026000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 410176000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 406638000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 405147000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 402337000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "unit": "USD" } ] }, { "tag": "OperatingLeaseRightOfUseAsset", "taxonomy": "us-gaap", "label": "Operating lease right-of-use asset", "kind": "instant", "unitKind": "money", "meaning": "Carrying amount of the right to use leased assets under operating leases. It reflects discounted remaining payments, not the value of the underlying property.", "observations": [ { "end": "2021-03-31", "val": 2448000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 628000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-04-01", "val": 1300000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019Q1I", "unit": "USD" } ] }, { "tag": "OperatingLeaseLiability", "taxonomy": "us-gaap", "label": "Operating lease liability", "kind": "instant", "unitKind": "money", "meaning": "Present value of remaining operating lease payments. Discount-rate choices and lease terms affect the amount; it is not the sum of undiscounted future rent.", "observations": [ { "end": "2021-03-31", "val": 2346000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 589000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-04-01", "val": 1200000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019Q1I", "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": "2021-03-31", "val": 1637000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2021-03-22", "val": 1600000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "unit": "USD" }, { "end": "2020-04-14", "val": 1600000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "unit": "USD" }, { "end": "2020-03-31", "val": 0, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "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": "2021-03-31", "val": 7694000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 7987000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 8109000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 8381000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 16062000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 17198000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 16084000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 18682000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 17336000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 17731000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 37988000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "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": "2021-03-31", "val": 6779000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 6911000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 6811000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 6780000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 14078000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 13221000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 12481000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 16001000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 16255000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 16534000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 34738000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "unit": "USD" } ] }, { "tag": "IntangibleAssetsNetExcludingGoodwill", "taxonomy": "us-gaap", "label": "Net intangible assets excluding goodwill", "kind": "instant", "unitKind": "money", "meaning": "Intangible assets other than goodwill after amortization and impairment. Internally developed intangibles are usually not recognized, so this understates what a company relies on.", "observations": [ { "end": "2017-03-31", "val": 15624000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "unit": "USD" }, { "end": "2016-03-31", "val": 20388000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 25942000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 32319000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 5063000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 2728000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 3473000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "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": "2021-03-31", "val": 80000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 73000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 492000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 771000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 160000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 183000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 258000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 393000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 495000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 291000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "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": "2021-03-31", "val": 296000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 94000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 176000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-03-31", "val": 282000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 236000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 314000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 409000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 528000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 643000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 1109000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 7719000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "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": "2021-03-31", "val": 3365000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 3136000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 3567000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-04-01", "val": 3352000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "unit": "USD" }, { "end": "2018-03-31", "val": 3280000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 4273000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 6243000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 4602000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 4365000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 2957000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 2125000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 4552000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "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": "2021-03-31", "val": 1352000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-03-31", "val": 1298000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-03-31", "val": 1706000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-04-01", "val": 888000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "unit": "USD" }, { "end": "2018-03-31", "val": 816000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-03-31", "val": 1409000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-03-31", "val": 1900000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-03-31", "val": 3285000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-03-31", "val": 1952000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-03-31", "val": 1804000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-03-31", "val": 1456000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-03-31", "val": 3156000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2011Q1I", "unit": "USD" } ] }, { "tag": "DeferredTaxAssetsNet", "taxonomy": "us-gaap", "label": "Net deferred tax assets", "kind": "instant", "unitKind": "money", "meaning": "Deferred tax assets after the valuation allowance. 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It excludes discontinued operations and is not net income.", "observations": [ { "start": "2020-04-01", "end": "2021-03-31", "val": -2756000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -10066000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": -10998000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": -566000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -15883000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -16587000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -59242000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": -3489000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -13150000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": -1616000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 9817000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "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": "2018-04-01", "end": "2019-03-31", "val": -11382000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": -577000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -15941000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -16212000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -58902000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 4376000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -44049000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 41636000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 68256000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 11178000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 4086000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 4757000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 6699000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 6602000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 7991000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 9836000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 14678000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 14027000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 9310000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 6996000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 8623000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 9020000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 200000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 400000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 600000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 800000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 1400000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 1500000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 1000000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 600000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 500000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 400000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 700000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "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": "2012-04-01", "end": "2013-03-31", "val": 1381000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 1076000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 1237000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 3793000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 903000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 1233000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 3435000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 4189000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 4764000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 5554000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 6377000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 4889000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 887000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 544000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 545000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 529000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 288000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": 456000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 626000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 888000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": 170000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 169000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -2000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": -56000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 175000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 331000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 20000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "IncomeTaxesPaidNet", "taxonomy": "us-gaap", "label": "Income taxes paid, net", "kind": "duration", "unitKind": "money", "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.", "observations": [ { "start": "2020-04-01", "end": "2021-03-31", "val": -337000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -335000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 15000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": 28000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -108000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 60000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": 14000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 965000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": -524000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": 2901000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 874000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 161000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "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": "2020-04-01", "end": "2021-03-31", "val": 431000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -2807000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": -2007000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": -3200000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -4281000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": 4476000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -3986000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": 2139000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 979000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": -12396000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": 6426000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": -3349000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "unit": "USD" } ] }, { "tag": "IncreaseDecreaseInInventories", "taxonomy": "us-gaap", "label": "Change in inventories", "kind": "duration", "unitKind": "money", "meaning": "The cash flow adjustment for the change in inventories during the period. A positive value under this concept means inventory grew and reduced operating cash flow.", "observations": [ { "start": "2020-04-01", "end": "2021-03-31", "val": -1868000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2020", "unit": "USD" }, { "start": "2019-04-01", "end": "2020-03-31", "val": -2994000, "accn": "0001002135-21-000011", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-05-21", "frame": "CY2019", "unit": "USD" }, { "start": "2018-04-01", "end": "2019-03-31", "val": 579000, "accn": "0001002135-20-000020", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-06-18", "frame": "CY2018", "unit": "USD" }, { "start": "2017-04-01", "end": "2018-03-31", "val": -3289000, "accn": "0001002135-19-000017", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-05-31", "frame": "CY2017", "unit": "USD" }, { "start": "2016-04-01", "end": "2017-03-31", "val": -987000, "accn": "0001002135-18-000018", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-05-25", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-01", "end": "2016-03-31", "val": -2707000, "accn": "0001002135-17-000037", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-05-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-04-01", "end": "2015-03-31", "val": -8186000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-04-01", "end": "2014-03-31", "val": -595000, "accn": "0001002135-16-000069", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-05-24", "frame": "CY2013", "unit": "USD" }, { "start": "2012-04-01", "end": "2013-03-31", "val": 2002000, "accn": "0001002135-15-000053", "fy": 2015, "fp": "FY", "form": "10-K/A", "filed": "2015-11-09", "frame": "CY2012", "unit": "USD" }, { "start": "2011-04-01", "end": "2012-03-31", "val": -1852000, "accn": "0001002135-14-000017", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-05-23", "frame": "CY2011", "unit": "USD" }, { "start": "2010-04-01", "end": "2011-03-31", "val": -3702000, "accn": "0001002135-13-000018", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-05-24", "frame": "CY2010", "unit": "USD" }, { "start": "2009-04-01", "end": "2010-03-31", "val": 812000, "accn": "0001193125-12-249292", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-05-25", "frame": "CY2009", "unit": "USD" } ] } ], "source_snapshot": "/company-data/sources/ede9e0efde6f63961aad69f8f57139b43a111a6fe98b46294f20feed1a4546f8.json.gz" }