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Accrued Expenses | 12 Months Ended
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Sep. 30, 2024
Accrued Expenses |
Accrued Expenses | 11. Accrued Expenses ​ Accrued expenses consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, |  | September 30,
​ | ​ | 2024 | ​ | 2023
Warranty | ​ | $ | 596,538 | ​ | $ | 562,645
Salary, benefits and payroll taxes | ​ |  | 1,685,372 | ​ |  | 1,181,219
Professional fees | ​ |  | 262,320 | ​ |  | 200,668
Operating lease | ​ | ​ | 2,100 | ​ | ​ | 12,965
Income tax payable | ​ | ​ | 1,194,185 | ​ | ​ | —
Other | ​ |  | 868,779 | ​ |  | 960,828
​ | ​ | $ | 4,609,294 | ​ | $ | 2,918,325
​

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