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Accrued expenses: | 12 Months Ended
--- | ---
Sep. 30, 2012
Accrued expenses: |
Accrued expenses: |
8. Accrued expenses: Accrued expenses consist of the following:
|  | September 30, 2012 |  | September 30, 2011 |
--- | --- | --- | --- | --- | ---
Warranty |  | $ | 850,499 |  | $ | 955,549 |
Salary, benefits and payroll taxes |  |  | 531,862 |  |  | 476,152 |
Professional fees |  |  | 330,858 |  |  | 352,559 |
Income taxes payable |  |  | 132,980 |  |  | 152,658 |
Materials on order |  |  | 43,374 |  |  | 89,392 |
Other |  |  | 834,239 |  |  | 525,079 |
|  | $ | 2,723,812 |  | $ | 2,551,389 |

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