Supplemental Balance Sheet Disclosures (Tables)
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9 Months Ended |
Jun. 30, 2026 |
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| Supplemental Balance Sheet Disclosures |
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| Schedule of inventories |
| | | | | | | | | June 30, | | September 30, | | | 2026 | | 2025 | Raw materials | | $ | 25,672,948 | | $ | 22,445,837 | Work-in-process | | | 5,517,951 | | | 2,295,587 | Finished goods | | | 893,395 | | | 1,060,757 | | | $ | 32,084,294 | | $ | 25,802,181 |
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| Schedule of prepaid expenses and other current assets |
| | | | | | | | | June 30, | | September 30, | | | 2026 | | 2025 | Supplier deposits | | | 649,416 | | | 486,763 | Prepaid insurance and services | | | 520,719 | | | 418,406 | Prepaid income tax | | | 1,653,389 | | | — | Deferred engineering | | | 279,527 | | | — | Other receivable | | | 357,230 | | | — | Unamortized debt issuance costs | | | 147,527 | | | 147,527 | Other | | | 324,123 | | | 339,702 | | | $ | 3,931,931 | | $ | 1,392,398 |
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| Summary of intangible assets other than goodwill |
| | | | | | | | | | | | | | | As of June 30, 2026 | | | Gross Carrying | | Accumulated | | Accumulated | | Net Carrying | | | Value | | Impairment | | Amortization | | Value | License agreements (a) | | $ | 21,290,000 | | $ | — | | $ | — | | $ | 21,290,000 | Customer relationships (a) | | | 21,934,327 | | | — | | | (3,650,470) | | | 18,283,857 | Backlog (b) | | | 8,190,000 | | | — | | | (2,000,973) | | | 6,189,027 | Trade name (c) | | | 260,000 | | | — | | | (4,333) | | | 255,667 | Licensing and certification rights (d) | | | 696,506 | | | (44,400) | | | (638,285) | | | 13,821 | Total | | $ | 52,370,833 | | $ | (44,400) | | $ | (6,294,061) | | $ | 46,032,372 |
| | | | | | | | | | | | | | | As of September 30, 2025 | | | Gross Carrying | | Accumulated | | Accumulated | | Net Carrying | | | Value | | Impairment | | Amortization | | Value | License agreements (a) | | $ | 9,790,000 | | $ | — | | $ | — | | $ | 9,790,000 | Customer relationships (a) | | | 12,604,327 | | | — | | | (2,705,533) | | | 9,898,794 | Backlog (b) | | | 4,850,000 | | | — | | | (970,000) | | | 3,880,000 | Licensing and certification rights (d) | | | 696,506 | | | (44,400) | | | (638,285) | | | 13,821 | Total | | $ | 27,940,833 | | $ | (44,400) | | $ | (4,313,818) | | $ | 23,582,615 |
| (a) | The license agreements have an indefinite life and are not subject to amortization; the customer relationships have an estimated weighted average life of ten years. |
| (b) | Backlog assets are amortized according to the timing of order fulfillment. |
| (c) | The trade name is amortized over 15 years. |
| (d) | The licensing and certification rights are amortized over a defined number of units. |
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| Summary of expected future amortization expense related to the customer relationships |
| | | | Amortization Expense | 2026 (three months remaining) | $ | 1,392,158 | 2027 | | 5,935,555 | 2028 | | 3,459,201 | 2029 | | 2,714,618 | 2030 | | 2,194,361 | Thereafter | | 9,032,658 | Total | $ | 24,728,551 |
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| Schedule of goodwill activity |
| | | | Goodwill | Balance at September 30, 2025 | $ | 6,703,104 | Fiscal 2026 Activity: | | | Business Combination - Honeywell Autopilot Agreement | | 3,810,000 | Business Combination - Honeywell Generators Agreement | | 3,650,000 | Business Combination - Other | | 1,610,000 | Balance at June 30, 2026 | $ | 15,773,104 |
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| Schedule of property and equipment, net |
| | | | | | | | | June 30, | | September 30, | | | 2026 | | 2025 | Computer equipment | | $ | 3,555,949 | | $ | 3,169,835 | Corporate R&D airplane | | | 1,187,911 | | | - | Furniture and office equipment | | | 1,042,096 | | | 984,205 | Buildings and improvements | | | 12,527,693 | | | 11,598,890 | Equipment other | | | 16,496,658 | | | 15,958,271 | Land | | | 1,021,246 | | | 1,021,245 | | | | 35,831,553 | | | 32,732,446 | Less accumulated depreciation and amortization | | | (15,148,878) | | | (13,927,910) | | | $ | 20,682,675 | | $ | 18,804,536 |
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| Schedule of other assets |
| | | | | | | | | June 30, | | September 30, | | | 2026 | | 2025 | Unamortized debt issuance costs | | $ | 449,048 | | $ | 560,603 | Other non-current assets | | | 137,200 | | | 157,863 | | | $ | 586,248 | | $ | 718,466 |
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| Schedule of accrued expenses |
| | | | | | | | | June 30, | | | September 30, | | | 2026 | | | 2025 | Warranty | | $ | 1,008,343 | | $ | 730,498 | Salary, benefits and payroll taxes | | | 967,766 | | | 1,234,246 | Inventory in transit | | | — | | | 1,097,222 | Income tax payable | | | — | | | 2,045,123 | ERC related expenses | | | — | | | 378,846 | Bonus accruals | | | 1,577,776 | | | 1,972,221 | Other | | | 1,309,234 | | | 703,811 | | | $ | 4,863,119 | | $ | 8,161,967 |
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| Schedule of warranty cost and accrual information |
| | | | | | | | | | | Three Months Ending | | | Nine Months Ending | | | | | June 30, 2026 | | | June 30, 2026 | | Warranty accrual, beginning of period | | $ | 953,488 | | $ | 730,498 | | Accrued expense (adjustment) | | | 137,000 | | | 603,000 | | Warranty cost | | | (82,145) | | | (325,155) | | Warranty accrual, end of period | | $ | 1,008,343 | | $ | 1,008,343 | |
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