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v3.22.4

Supplemental Balance Sheet Disclosures (Tables) | 3 Months Ended
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Dec. 31, 2022
Supplemental Balance Sheet Disclosures |
Schedule of inventories | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | September 30,
​ |  | 2022 |  | 2022
Raw materials |  | $ | 4,685,109 |  | $ | 4,451,045
Work-in-process | ​ |  | 530,992 | ​ |  | 795,723
Finished goods | ​ |  | 36,194 | ​ |  | 102,336
​ |  | $ | 5,252,295 |  | $ | 5,349,104
​
Schedule of prepaid expenses and other current assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | September 30,
​ |  | 2022 |  | 2022
Prepaid insurance |  | $ | 801,703 | ​ | $ | 777,311
Other | ​ |  | 247,503 | ​ |  | 365,159
​ |  | $ | 1,049,206 | ​ | $ | 1,142,470
​
Schedule of property and equipment, net | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | September 30,
​ |  | 2022 |  | 2022
Computer equipment | ​ | $ | 2,269,243 | ​ | $ | 2,307,139
Corporate airplanes | ​ |  | 2,406,468 | ​ |  | 2,406,468
Furniture and office equipment | ​ |  | 976,993 | ​ |  | 976,993
Manufacturing facility | ​ |  | 5,889,491 | ​ |  | 5,889,491
Equipment | ​ |  | 5,607,387 | ​ |  | 5,624,966
Land | ​ | ​ | 1,021,245 | ​ | ​ | 1,021,245
​ | ​ |  | 18,170,827 | ​ |  | 18,226,302
Less: accumulated depreciation and amortization | ​ |  | (11,931,331) | ​ |  | (11,934,113)
​ |  | $ | 6,239,496 |  | $ | 6,292,189
​
Schedule of other assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | September 30,
​ |  | 2022 |  | 2022
Intangible assets, net of accumulated amortization of $636,158 at December 31, 2022 and September 30, 2022 |  | $ | 60,348 |  | $ | 60,348
Operating lease right-of-use asset | ​ | ​ | 25,214 | ​ | ​ | 28,680
Other non-current assets | ​ | ​ | 75,300 | ​ |  | 75,300
​ |  | $ | 160,862 |  | $ | 164,328
​
Schedule of accrued expenses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | September 30,
​ |  | 2022 |  | 2022
Warranty |  | $ | 577,690 |  | $ | 607,001
Salary, benefits and payroll taxes | ​ |  | 381,822 | ​ |  | 1,030,628
Professional fees | ​ |  | 275,077 | ​ |  | 364,794
Income tax | ​ | ​ | 475,200 | ​ | ​ | —
Operating lease | ​ | ​ | 13,450 | ​ | ​ | 13,615
Other |  | ​ | 785,732 | ​ | ​ | 956,237
​ | ​ | $ | 2,508,971 |  | $ | 2,972,275
​
Schedule of warranty cost and accrual information | ​
​ | ​ | ​ | ​
​ | ​ | Three Months Ending
​ |  | December 31, 2022
Warranty accrual, beginning of period |  | $ | 607,001
Accrued expense | ​ |  | (536)
Warranty cost | ​ |  | (28,775)
Warranty accrual, end of period |  | $ | 577,690

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