CIK 0001354866
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_receivable | {"amount": 4437000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2026-05-31 | sec_edgar |
| accounts_receivable | {"amount": 11561000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2026-02-28 | sec_edgar |
| accounts_receivable | {"amount": 10840000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-11-30 | sec_edgar |
| accounts_receivable | {"amount": 8872000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-08-31 | sec_edgar |
| accounts_receivable | {"amount": 6500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-05-31 | sec_edgar |
| accounts_receivable | {"amount": 6536000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-03-31 | sec_edgar |
| accounts_receivable | {"amount": 2900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-02-28 | sec_edgar |
| accounts_receivable | {"amount": 2600000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-11-30 | sec_edgar |
| accounts_receivable | {"amount": 2128000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-08-31 | sec_edgar |
| accounts_receivable | {"amount": 1635000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-05-31 | sec_edgar |
| accounts_receivable | {"amount": 1536000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-02-29 | sec_edgar |
| accounts_receivable | {"amount": 2900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-11-30 | sec_edgar |
| accounts_receivable | {"amount": 3642000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-08-31 | sec_edgar |
| accounts_receivable | {"amount": 4200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-05-31 | sec_edgar |
| accounts_receivable | {"amount": 4200000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-02-28 | sec_edgar |
| accounts_receivable | {"amount": 5900000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-11-30 | sec_edgar |
| accounts_receivable | {"amount": 2673000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-08-31 | sec_edgar |
| accounts_receivable | {"amount": 2500000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-05-31 | sec_edgar |
| accounts_receivable | {"amount": 1100000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-02-28 | sec_edgar |
| accounts_receivable | {"amount": 1700000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-11-30 | sec_edgar |
| accounts_receivable | {"amount": 945000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-08-31 | sec_edgar |
| accounts_receivable | {"amount": 1235000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-05-31 | sec_edgar |
| accounts_receivable | {"amount": 321000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-02-28 | sec_edgar |
| accounts_receivable | {"amount": 800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-11-30 | sec_edgar |
| accounts_receivable | {"amount": 617586, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-08-31 | sec_edgar |
| accounts_receivable | {"amount": 282016, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-05-31 | sec_edgar |
| accounts_receivable | {"amount": 92221, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-02-29 | sec_edgar |
| accounts_receivable | {"amount": 438255, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-11-30 | sec_edgar |
| accounts_receivable | {"amount": 112140, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-08-31 | sec_edgar |
| accounts_receivable | {"amount": 71008, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-05-31 | sec_edgar |
| accounts_receivable | {"amount": 17868, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-02-28 | sec_edgar |
| accounts_receivable | {"amount": 18914, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-11-30 | sec_edgar |
| accounts_receivable | {"amount": 33380, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-08-31 | sec_edgar |
| accounts_receivable | {"amount": 130043, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-05-31 | sec_edgar |
| accounts_receivable | {"amount": 15889, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-02-28 | sec_edgar |
| accounts_receivable | {"amount": 36412, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-11-30 | sec_edgar |
| accounts_receivable | {"amount": 27542, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-08-31 | sec_edgar |
| accounts_receivable | {"amount": 22265, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-05-31 | sec_edgar |
| accounts_receivable | {"amount": 7539, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-02-28 | sec_edgar |
| accounts_receivable | {"amount": 32534, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-11-30 | sec_edgar |
| accounts_receivable | {"amount": 14874, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-08-31 | sec_edgar |
| accounts_receivable | {"amount": 22257, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-05-31 | sec_edgar |
| accounts_receivable | {"amount": 24397, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-02-29 | sec_edgar |
| accounts_receivable | {"amount": 39676, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-11-30 | sec_edgar |
| accounts_receivable | {"amount": 16635, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-08-31 | sec_edgar |
| accounts_receivable | {"amount": 9283, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-05-31 | sec_edgar |
| accounts_receivable | {"amount": 17847, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-02-28 | sec_edgar |
| accounts_receivable | {"amount": 7393, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-11-30 | sec_edgar |
| accounts_receivable | {"amount": 150, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-08-31 | sec_edgar |
| accounts_receivable | {"amount": 12772, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-05-31 | sec_edgar |
| accounts_receivable | {"amount": 21154, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-02-28 | sec_edgar |
| accounts_receivable | {"amount": 20351, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-11-30 | sec_edgar |
| accounts_receivable | {"amount": 0, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-11-30 | sec_edgar |
| capex | {"amount": 1135000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2026-05-31 | sec_edgar |
| capex | {"amount": 621000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2026-02-28 | sec_edgar |
| capex | {"amount": 7623000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-11-30 | sec_edgar |
| capex | {"amount": 5830000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-08-31 | sec_edgar |
| capex | {"amount": 3581000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-05-31 | sec_edgar |
| capex | {"amount": 2642000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2025-02-28 | sec_edgar |
| capex | {"amount": 2347000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2024-11-30 | sec_edgar |
| capex | {"amount": 1382000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2024-08-31 | sec_edgar |
| capex | {"amount": 693000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2024-05-31 | sec_edgar |
| capex | {"amount": 171000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2024-02-29 | sec_edgar |
| capex | {"amount": 903000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-11-30 | sec_edgar |
| capex | {"amount": 342000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-08-31 | sec_edgar |
| capex | {"amount": 148000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-05-31 | sec_edgar |
| capex | {"amount": 206000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-02-28 | sec_edgar |
| capex | {"amount": 3253000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-11-30 | sec_edgar |
| capex | {"amount": 2232000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-08-31 | sec_edgar |
| capex | {"amount": 1963000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-05-31 | sec_edgar |
| capex | {"amount": 915000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2022-02-28 | sec_edgar |
| capex | {"amount": 1838000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2021-11-30 | sec_edgar |
| capex | {"amount": 827000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-08-31 | sec_edgar |
| capex | {"amount": 116000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-05-31 | sec_edgar |
| capex | {"amount": 25000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2021-02-28 | sec_edgar |
| capex | {"amount": 1426000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-11-30 | sec_edgar |
| capex | {"amount": 1023000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2020-08-31 | sec_edgar |
| capex | {"amount": 147000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-05-31 | sec_edgar |
| capex | {"amount": 44000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2020-02-29 | sec_edgar |
| capex | {"amount": 245971, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-11-30 | sec_edgar |
| capex | {"amount": 207677, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-08-31 | sec_edgar |
| capex | {"amount": 173073, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-05-31 | sec_edgar |
| capex | {"amount": 116886, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-02-28 | sec_edgar |
| capex | {"amount": 311523, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2018-11-30 | sec_edgar |
| capex | {"amount": 98349, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2018-08-31 | sec_edgar |
| capex | {"amount": 11114, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2018-05-31 | sec_edgar |
| capex | {"amount": 2456, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2018-02-28 | sec_edgar |
| capex | {"amount": 2456, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2018-02-28 | sec_edgar |
| capex | {"amount": 21844, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2017-11-30 | sec_edgar |
| capex | {"amount": 21703, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2017-08-31 | sec_edgar |
| capex | {"amount": 21703, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2017-05-31 | sec_edgar |
| capex | {"amount": 21703, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2017-02-28 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2016-11-30 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2016-08-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2016-05-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2016-02-29 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2015-11-30 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2015-08-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2015-05-31 | sec_edgar |
| capex | {"amount": 37625, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2014-11-30 | sec_edgar |
| capex | {"amount": 37625, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2014-08-31 | sec_edgar |
| capex | {"amount": 37625, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2014-05-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2014-02-28 | sec_edgar |
| capex | {"amount": 251211, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-02-28 | sec_edgar |
| capex | {"amount": 45219, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2013-11-30 | sec_edgar |
| capex | {"amount": 251211, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-11-30 | sec_edgar |
| capex | {"amount": 251211, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-08-31 | sec_edgar |
| capex | {"amount": 45219, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2013-08-31 | sec_edgar |
| capex | {"amount": 45219, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2013-05-31 | sec_edgar |
| capex | {"amount": 251211, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-05-31 | sec_edgar |
| capex | {"amount": 205992, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-02-28 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2013-02-28 | sec_edgar |
| capex | {"amount": 147219, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-11-30 | sec_edgar |
| capex | {"amount": 205992, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-11-30 | sec_edgar |
| capex | {"amount": 147219, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-08-31 | sec_edgar |
| capex | {"amount": 205992, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-08-31 | sec_edgar |
| capex | {"amount": 63852, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2012-05-31 | sec_edgar |
| capex | {"amount": 5079, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2012-05-31 | sec_edgar |
| capex | {"amount": 5079, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2012-02-29 | sec_edgar |
| capex | {"amount": 63852, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2012-02-29 | sec_edgar |
| capex | {"amount": 58773, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-11-30 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2011-11-30 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2011-08-31 | sec_edgar |
| capex | {"amount": 58773, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-08-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2011-05-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2011-02-28 | sec_edgar |
| capex | {"amount": 8252, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2010-11-30 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2010-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9436000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2026-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7452000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2026-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 13727000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2025-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6495000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7001000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7669000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 16829000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 20077000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24788000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 24176000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2024-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 20498000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 13654000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 15360000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 14426000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2023-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 20068000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 24457000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 25847000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 44701000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2022-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 56308000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3175000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2020-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 391751, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2020-02-29 | sec_edgar |
| cash_and_equivalents | {"amount": 1173900, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1881377, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 738714, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2019-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 350929, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2019-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 1182387, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 473901, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2018-08-31 | sec_edgar |
| cash_and_equivalents | {"amount": 918801, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2018-05-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1437587, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-02-28 | sec_edgar |
| cash_and_equivalents | {"amount": 1965043, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-11-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1965043, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-11-28 | sec_edgar |
| cash_and_equivalents | {"amount": 254894, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2017-08-31 | sec_edgar |
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