CIK 0000039020
Branche: Instruments For Meas & Testing Of Electricity & Elec Signals
Zeitreihen: Revenue nach Geschäftsjahr · Net Income nach Geschäftsjahr
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"amount": 1217000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-01-31 | sec_edgar |
| accounts_payable | {"amount": 2348000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-04-30 | sec_edgar |
| accounts_payable | {"amount": 940000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-01-31 | sec_edgar |
| accounts_payable | {"amount": 1406000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-10-31 | sec_edgar |
| accounts_payable | {"amount": 1341000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-07-31 | sec_edgar |
| accounts_payable | {"amount": 1205000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-04-30 | sec_edgar |
| accounts_payable | {"amount": 1368000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-01-31 | sec_edgar |
| accounts_payable | {"amount": 2203000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-10-31 | sec_edgar |
| accounts_payable | {"amount": 1643000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-07-31 | sec_edgar |
| accounts_payable | {"amount": 2644000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-04-30 | sec_edgar |
| accounts_payable | {"amount": 1170000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-01-31 | sec_edgar |
| accounts_payable | {"amount": 1437000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-10-31 | sec_edgar |
| accounts_payable | {"amount": 2490000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-07-31 | sec_edgar |
| accounts_payable | {"amount": 1654000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-04-30 | sec_edgar |
| accounts_receivable | {"amount": 4740000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2026-04-30 | sec_edgar |
| accounts_receivable | {"amount": 10723000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2026-01-31 | sec_edgar |
| accounts_receivable | {"amount": 6069000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-10-31 | sec_edgar |
| accounts_receivable | {"amount": 7440000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-07-31 | sec_edgar |
| accounts_receivable | {"amount": 5914000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-04-30 | sec_edgar |
| accounts_receivable | {"amount": 3872000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-01-31 | sec_edgar |
| accounts_receivable | {"amount": 4088000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-10-31 | sec_edgar |
| accounts_receivable | {"amount": 5922000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-07-31 | sec_edgar |
| accounts_receivable | {"amount": 4614000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-04-30 | sec_edgar |
| accounts_receivable | {"amount": 5410000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-01-31 | sec_edgar |
| accounts_receivable | {"amount": 3781000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-10-31 | sec_edgar |
| accounts_receivable | {"amount": 6385000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-07-31 | sec_edgar |
| accounts_receivable | {"amount": 4622000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-04-30 | sec_edgar |
| accounts_receivable | {"amount": 5129000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-01-31 | sec_edgar |
| accounts_receivable | {"amount": 4855000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-10-31 | sec_edgar |
| accounts_receivable | {"amount": 3819000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-07-31 | sec_edgar |
| accounts_receivable | {"amount": 4291000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-04-30 | sec_edgar |
| accounts_receivable | {"amount": 6834000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-01-31 | sec_edgar |
| accounts_receivable | {"amount": 8743000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-10-31 | sec_edgar |
| accounts_receivable | {"amount": 9189000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-07-31 | sec_edgar |
| accounts_receivable | {"amount": 5515000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-04-30 | sec_edgar |
| accounts_receivable | {"amount": 5096000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-01-31 | sec_edgar |
| accounts_receivable | {"amount": 10298000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-10-31 | sec_edgar |
| accounts_receivable | {"amount": 6201000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-07-31 | sec_edgar |
| accounts_receivable | {"amount": 4392000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-04-30 | sec_edgar |
| accounts_receivable | {"amount": 4073000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-01-31 | sec_edgar |
| accounts_receivable | {"amount": 4437000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-10-31 | sec_edgar |
| accounts_receivable | {"amount": 7328000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-07-31 | sec_edgar |
| accounts_receivable | {"amount": 6362000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-04-30 | sec_edgar |
| accounts_receivable | {"amount": 7312000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-01-31 | sec_edgar |
| accounts_receivable | {"amount": 6110000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-10-31 | sec_edgar |
| accounts_receivable | {"amount": 6487000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-07-31 | sec_edgar |
| accounts_receivable | {"amount": 4268000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-04-30 | sec_edgar |
| accounts_receivable | {"amount": 7835000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-01-31 | sec_edgar |
| accounts_receivable | {"amount": 7071000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-10-31 | sec_edgar |
| accounts_receivable | {"amount": 8107000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-07-31 | sec_edgar |
| accounts_receivable | {"amount": 10986000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-04-30 | sec_edgar |
| accounts_receivable | {"amount": 7587000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-01-31 | sec_edgar |
| accounts_receivable | {"amount": 9227000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-10-31 | sec_edgar |
| accounts_receivable | {"amount": 9518000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-07-31 | sec_edgar |
| accounts_receivable | {"amount": 7166000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-04-30 | sec_edgar |
| accounts_receivable | {"amount": 9175000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-01-31 | sec_edgar |
| accounts_receivable | {"amount": 12522000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-10-31 | sec_edgar |
| accounts_receivable | {"amount": 10021000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-07-31 | sec_edgar |
| accounts_receivable | {"amount": 9689000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-04-30 | sec_edgar |
| accounts_receivable | {"amount": 10360000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-01-31 | sec_edgar |
| accounts_receivable | {"amount": 12861000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-10-31 | sec_edgar |
| accounts_receivable | {"amount": 14720000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-07-31 | sec_edgar |
| accounts_receivable | {"amount": 7741000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-04-30 | sec_edgar |
| accounts_receivable | {"amount": 12124000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-01-31 | sec_edgar |
| accounts_receivable | {"amount": 11318000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-10-31 | sec_edgar |
| accounts_receivable | {"amount": 12616000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-07-31 | sec_edgar |
| accounts_receivable | {"amount": 7781000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-04-30 | sec_edgar |
| accounts_receivable | {"amount": 8357000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-01-31 | sec_edgar |
| accounts_receivable | {"amount": 9918000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-10-31 | sec_edgar |
| accounts_receivable | {"amount": 9699000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-07-31 | sec_edgar |
| accounts_receivable | {"amount": 10866000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-04-30 | sec_edgar |
| accounts_receivable | {"amount": 7662000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-01-31 | sec_edgar |
| accounts_receivable | {"amount": 7128000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-10-31 | sec_edgar |
| accounts_receivable | {"amount": 8738000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-07-31 | sec_edgar |
| accounts_receivable | {"amount": 11663000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-04-30 | sec_edgar |
| capex | {"amount": 2859000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2026-04-30 | sec_edgar |
| capex | {"amount": 2254000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2026-01-31 | sec_edgar |
| capex | {"amount": 1389000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-10-31 | sec_edgar |
| capex | {"amount": 776000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2025-07-31 | sec_edgar |
| capex | {"amount": 1808000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-04-30 | sec_edgar |
| capex | {"amount": 1177000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-01-31 | sec_edgar |
| capex | {"amount": 848000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2024-10-31 | sec_edgar |
| capex | {"amount": 327000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2024-07-31 | sec_edgar |
| capex | {"amount": 1492000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2024-04-30 | sec_edgar |
| capex | {"amount": 671000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2024-01-31 | sec_edgar |
| capex | {"amount": 360000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-10-31 | sec_edgar |
| capex | {"amount": 187000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-07-31 | sec_edgar |
| capex | {"amount": 918000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-04-30 | sec_edgar |
| capex | {"amount": 886000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-01-31 | sec_edgar |
| capex | {"amount": 729000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2022-10-31 | sec_edgar |
| capex | {"amount": 465000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2022-07-31 | sec_edgar |
| capex | {"amount": 1860000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-04-30 | sec_edgar |
| capex | {"amount": 1534000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-01-31 | sec_edgar |
| capex | {"amount": 1108000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-10-31 | sec_edgar |
| capex | {"amount": 504000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-07-31 | sec_edgar |
| capex | {"amount": 1239000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-04-30 | sec_edgar |
| capex | {"amount": 971000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-01-31 | sec_edgar |
| capex | {"amount": 781000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-10-31 | sec_edgar |
| capex | {"amount": 211000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-07-31 | sec_edgar |
| capex | {"amount": 1483000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-04-30 | sec_edgar |
| capex | {"amount": 1641000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-01-31 | sec_edgar |
| capex | {"amount": 1274000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-10-31 | sec_edgar |
| capex | {"amount": 912000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-07-31 | sec_edgar |
| capex | {"amount": 2767000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-04-30 | sec_edgar |
| capex | {"amount": 2175000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-01-31 | sec_edgar |
| capex | {"amount": 1337000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-10-31 | sec_edgar |
| capex | {"amount": 483000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2018-07-31 | sec_edgar |
| capex | {"amount": 1418000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-04-30 | sec_edgar |
| capex | {"amount": 1032000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2018-01-31 | sec_edgar |
| capex | {"amount": 883000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2017-10-31 | sec_edgar |
| capex | {"amount": 450000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2017-07-31 | sec_edgar |
| capex | {"amount": 5233000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-04-30 | sec_edgar |
| capex | {"amount": 3767000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-01-31 | sec_edgar |
| capex | {"amount": 2413000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-10-31 | sec_edgar |
| capex | {"amount": 1077000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-07-31 | sec_edgar |
| capex | {"amount": 3263000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-04-30 | sec_edgar |
| capex | {"amount": 1640000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2016-01-31 | sec_edgar |
| capex | {"amount": 1308000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-10-31 | sec_edgar |
| capex | {"amount": 606000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2015-07-31 | sec_edgar |
| capex | {"amount": 4157000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-04-30 | sec_edgar |
| capex | {"amount": 3586000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-01-31 | sec_edgar |
| capex | {"amount": 3120000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-10-31 | sec_edgar |
| capex | {"amount": 1153000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-07-31 | sec_edgar |
| capex | {"amount": 5405000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-04-30 | sec_edgar |
| capex | {"amount": 3560000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-01-31 | sec_edgar |
| capex | {"amount": 2786000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-10-31 | sec_edgar |
| capex | {"amount": 1456000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-07-31 | sec_edgar |
| capex | {"amount": 2250000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-04-30 | sec_edgar |
| capex | {"amount": 1608000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-01-31 | sec_edgar |
| capex | {"amount": 612000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-10-31 | sec_edgar |
| capex | {"amount": 332000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-07-31 | sec_edgar |
| capex | {"amount": 1396000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-04-30 | sec_edgar |
| capex | {"amount": 1124000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-01-31 | sec_edgar |
| capex | {"amount": 855000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-10-31 | sec_edgar |
| capex | {"amount": 520000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-07-31 | sec_edgar |
| capex | {"amount": 1953000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-04-30 | sec_edgar |
| capex | {"amount": 1114000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-01-31 | sec_edgar |
| capex | {"amount": 694000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2010-10-31 | sec_edgar |
| capex | {"amount": 243000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2010-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1603000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2026-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 86000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2026-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2992000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4512000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4720000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5516000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9698000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2024-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16201000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18320000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 11663000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8708000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2023-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9061000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2023-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 12049000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 12854000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 10120000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7246000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2022-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 11561000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 12136000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 10623000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8901000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2021-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9807000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2021-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7255000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2021-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3654000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2020-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2431000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2020-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3808000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2020-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 270000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2020-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2606000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2239000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3683000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2418000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3911000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2621000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7869000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6984000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 11015000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 10910000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2163000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2560000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3761000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3753000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5818000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7079000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4108000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5924000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7222000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6070000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6415000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4543000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7698000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8561000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5062000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4149000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3460000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5222000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6978000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5461000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4782000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4548000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1644000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7659000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5275000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-04-30 | sec_edgar |