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Supplemental Balance Sheet Disclosures - Intangible assets (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2023
Finite-Lived Intangible Assets, Net |  |  |
Accumulated Impairment | $ (44,400) |  | $ (44,400)
Accumulated Amortization | (1,175,285) |  | (906,785)
Intangible asset amortization expense | 268,500 | $ 0 |
Intangible Assets, Net (Excluding Goodwill) |  |  |
Gross Carrying Value | 17,136,506 |  | 17,136,506
Accumulated Impairment | (44,400) |  | (44,400)
Accumulated Amortization | (1,175,285) |  | (906,785)
Net Carrying Value | 15,916,821 |  | 16,185,321
Customer relationships acquired from the Transaction |  |  |
Finite-Lived Intangible Assets, Net |  |  |
Gross Carrying Value | 10,740,000 |  | 10,740,000
Accumulated Amortization | (537,000) |  | (268,500)
Total | 10,203,000 |  | 10,471,500
Intangible Assets, Net (Excluding Goodwill) |  |  |
Accumulated Amortization | (537,000) |  | (268,500)
Licensing and certification rights |  |  |
Finite-Lived Intangible Assets, Net |  |  |
Gross Carrying Value | 696,506 |  | 696,506
Accumulated Impairment | (44,400) |  | (44,400)
Accumulated Amortization | (638,285) |  | (638,285)
Total | 13,821 |  | 13,821
Impairment charges | 0 | $ 0 |
Intangible Assets, Net (Excluding Goodwill) |  |  |
Accumulated Impairment | (44,400) |  | (44,400)
Accumulated Amortization | (638,285) |  | (638,285)
Licensing and certification rights |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  |  |
Gross Carrying Value | 5,700,000 |  | 5,700,000
Net Carrying Value | 5,700,000 |  | $ 5,700,000
Honeywell International, Inc | Asset Purchase and License Agreement (the "Honeywell Agreement") | Customer relationships acquired from the Transaction |  |  |
Finite-Lived Intangible Assets, Net |  |  |
Impairment charges | $ 0 |  |

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