CIK 0000050471
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"amount": 270175, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2026-03-31 | sec_edgar |
| accounts_payable | {"amount": 189226, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-12-31 | sec_edgar |
| accounts_payable | {"amount": 309626, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-09-30 | sec_edgar |
| accounts_payable | {"amount": 282146, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-06-30 | sec_edgar |
| accounts_payable | {"amount": 286832, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2025-03-31 | sec_edgar |
| accounts_payable | {"amount": 291872, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-12-31 | sec_edgar |
| accounts_payable | {"amount": 331755, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-09-30 | sec_edgar |
| accounts_payable | {"amount": 265086, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-06-30 | sec_edgar |
| accounts_payable | {"amount": 510412, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-03-31 | sec_edgar |
| accounts_payable | {"amount": 332306, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| accounts_payable | {"amount": 314888, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-09-30 | sec_edgar |
| accounts_payable | {"amount": 431387, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| accounts_payable | {"amount": 380826, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-03-31 | sec_edgar |
| accounts_payable | {"amount": 389708, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| accounts_payable | {"amount": 425927, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-09-30 | sec_edgar |
| accounts_payable | {"amount": 690638, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-06-30 | sec_edgar |
| accounts_payable | {"amount": 493405, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-03-31 | sec_edgar |
| accounts_payable | {"amount": 482915, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-12-31 | sec_edgar |
| accounts_payable | {"amount": 371825, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-09-30 | sec_edgar |
| accounts_payable | {"amount": 467194, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-06-30 | sec_edgar |
| accounts_payable | {"amount": 1498801, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| accounts_payable | {"amount": 539151, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_payable | {"amount": 465012, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_payable | {"amount": 407497, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_payable | {"amount": 343003, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_payable | {"amount": 756264, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_payable | {"amount": 441096, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_payable | {"amount": 530294, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_payable | {"amount": 622803, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_payable | {"amount": 838151, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_payable | {"amount": 939520, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_payable | {"amount": 1490434, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_payable | {"amount": 1253560, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_payable | {"amount": 639418, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_payable | {"amount": 890450, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_payable | {"amount": 565487, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_payable | {"amount": 749813, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_payable | {"amount": 483289, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_payable | {"amount": 570059, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_payable | {"amount": 580309, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_payable | {"amount": 646383, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_payable | {"amount": 826875, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_payable | {"amount": 995624, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_payable | {"amount": 817119, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_payable | {"amount": 823002, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_payable | {"amount": 935666, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_payable | {"amount": 905412, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_payable | {"amount": 738289, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_payable | {"amount": 737498, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_payable | {"amount": 698625, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_payable | {"amount": 459884, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_payable | {"amount": 653655, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 625913, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 769098, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 464336, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 550846, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 507108, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 526604, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 487920, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 790914, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 5101465, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2026-03-31 | sec_edgar |
| accounts_receivable | {"amount": 4853895, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-12-31 | sec_edgar |
| accounts_receivable | {"amount": 4339972, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-09-30 | sec_edgar |
| accounts_receivable | {"amount": 4133026, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-06-30 | sec_edgar |
| accounts_receivable | {"amount": 3600712, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-03-31 | sec_edgar |
| accounts_receivable | {"amount": 3374594, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-12-31 | sec_edgar |
| accounts_receivable | {"amount": 3297932, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-09-30 | sec_edgar |
| accounts_receivable | {"amount": 3678627, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-06-30 | sec_edgar |
| accounts_receivable | {"amount": 3776472, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-03-31 | sec_edgar |
| accounts_receivable | {"amount": 3799551, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| accounts_receivable | {"amount": 3022038, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-09-30 | sec_edgar |
| accounts_receivable | {"amount": 2523019, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| accounts_receivable | {"amount": 2242187, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-03-31 | sec_edgar |
| accounts_receivable | {"amount": 2827039, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| accounts_receivable | {"amount": 3076535, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-09-30 | sec_edgar |
| accounts_receivable | {"amount": 3165200, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-06-30 | sec_edgar |
| accounts_receivable | {"amount": 3593383, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-03-31 | sec_edgar |
| accounts_receivable | {"amount": 3491793, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-12-31 | sec_edgar |
| accounts_receivable | {"amount": 3997676, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-09-30 | sec_edgar |
| accounts_receivable | {"amount": 3891699, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-06-30 | sec_edgar |
| accounts_receivable | {"amount": 4598701, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| accounts_receivable | {"amount": 3043727, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-12-31 | sec_edgar |
| accounts_receivable | {"amount": 3895158, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-09-30 | sec_edgar |
| accounts_receivable | {"amount": 4007316, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-06-30 | sec_edgar |
| accounts_receivable | {"amount": 4469812, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_receivable | {"amount": 3974207, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_receivable | {"amount": 4073777, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_receivable | {"amount": 3878658, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_receivable | {"amount": 3977982, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_receivable | {"amount": 4588663, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_receivable | {"amount": 3696908, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_receivable | {"amount": 4222348, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_receivable | {"amount": 6713690, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_receivable | {"amount": 5860874, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_receivable | {"amount": 4670801, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_receivable | {"amount": 4009127, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_receivable | {"amount": 3262096, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_receivable | {"amount": 4143662, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_receivable | {"amount": 4655527, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_receivable | {"amount": 3048774, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_receivable | {"amount": 2830361, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_receivable | {"amount": 2562131, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1799288, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 1640591, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 2847989, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 3002000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2635208, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 2857983, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 3018850, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 2904634, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2380484, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 2383366, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 3132677, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 2499835, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2269257, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 2290859, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1426229, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 1524059, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1556894, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 2059773, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| capex | {"amount": 11749, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2026-03-31 | sec_edgar |
| capex | {"amount": 11749, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2025-12-31 | sec_edgar |
| capex | {"amount": 11750, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2025-09-30 | sec_edgar |
| capex | {"amount": 15965, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2025-06-30 | sec_edgar |
| capex | {"amount": 8795, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2025-03-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2024-12-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2024-09-30 | sec_edgar |
| capex | {"amount": 73317, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2024-06-30 | sec_edgar |
| capex | {"amount": 17532, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2024-03-31 | sec_edgar |
| capex | {"amount": 10523, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2023-12-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2023-09-30 | sec_edgar |
| capex | {"amount": 133944, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-06-30 | sec_edgar |
| capex | {"amount": 133944, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-03-31 | sec_edgar |
| capex | {"amount": 270854, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2022-12-31 | sec_edgar |
| capex | {"amount": 19533, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2022-09-30 | sec_edgar |
| capex | {"amount": 50823, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2022-06-30 | sec_edgar |
| capex | {"amount": 50823, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2022-03-31 | sec_edgar |
| capex | {"amount": 17049, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2021-12-31 | sec_edgar |
| capex | {"amount": 0, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": | 2021-09-30 | sec_edgar |
| capex | {"amount": 147140, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-06-30 | sec_edgar |
| capex | {"amount": 105391, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-03-31 | sec_edgar |
| capex | {"amount": 103218, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-12-31 | sec_edgar |
| capex | {"amount": 12925, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2020-09-30 | sec_edgar |
| capex | {"amount": 650422, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-06-30 | sec_edgar |
| capex | {"amount": 642922, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-03-31 | sec_edgar |
| capex | {"amount": 581750, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-12-31 | sec_edgar |
| capex | {"amount": 353706, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-09-30 | sec_edgar |
| capex | {"amount": 1447880, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2019-06-30 | sec_edgar |
| capex | {"amount": 45197, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2019-03-31 | sec_edgar |
| capex | {"amount": 3547, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2018-12-31 | sec_edgar |
| capex | {"amount": 1492, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2018-09-30 | sec_edgar |
| capex | {"amount": 204005, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2018-06-30 | sec_edgar |
| capex | {"amount": 204004, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2018-03-31 | sec_edgar |
| capex | {"amount": 177643, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2017-12-31 | sec_edgar |
| capex | {"amount": 86732, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2017-09-30 | sec_edgar |
| capex | {"amount": 1957402, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2017-06-30 | sec_edgar |
| capex | {"amount": 337777, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2017-03-31 | sec_edgar |
| capex | {"amount": 19499, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2016-12-31 | sec_edgar |
| capex | {"amount": 15800, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2016-09-30 | sec_edgar |
| capex | {"amount": 80987, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2016-06-30 | sec_edgar |
| capex | {"amount": 31987, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2016-03-31 | sec_edgar |
| capex | {"amount": 24065, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2015-12-31 | sec_edgar |
| capex | {"amount": 18586, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2015-09-30 | sec_edgar |
| capex | {"amount": 369536, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2015-06-30 | sec_edgar |
| capex | {"amount": 362089, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2015-03-31 | sec_edgar |
| capex | {"amount": 349165, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-12-31 | sec_edgar |
| capex | {"amount": 8997, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2014-09-30 | sec_edgar |
| capex | {"amount": 459230, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-06-30 | sec_edgar |
| capex | {"amount": 439339, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2014-03-31 | sec_edgar |
| capex | {"amount": 365151, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-12-31 | sec_edgar |
| capex | {"amount": 66590, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2013-09-30 | sec_edgar |
| capex | {"amount": 445744, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-06-30 | sec_edgar |
| capex | {"amount": 345375, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2013-03-31 | sec_edgar |
| capex | {"amount": 297426, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-12-31 | sec_edgar |
| capex | {"amount": 297426, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-12-31 | sec_edgar |
| capex | {"amount": 48826, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2012-09-30 | sec_edgar |
| capex | {"amount": 238760, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-06-30 | sec_edgar |
| capex | {"amount": 145058, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2012-03-31 | sec_edgar |
| capex | {"amount": 54318, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-12-31 | sec_edgar |
| capex | {"amount": 54318, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-12-31 | sec_edgar |
| capex | {"amount": 20072, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-09-30 | sec_edgar |
| capex | {"amount": 358566, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2011-06-30 | sec_edgar |
| capex | {"amount": 43904, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-03-31 | sec_edgar |
| capex | {"amount": 24973, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2010-12-31 | sec_edgar |
| capex | {"amount": 16662, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 24070322, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 23176092, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 23894653, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 21158716, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 20345330, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 17883555, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2020-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18968775, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 18295443, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 18609423, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 18145369, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2019-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16682282, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 16451196, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 14892439, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 14828160, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 14818508, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2017-12-31 | sec_edgar |