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Accrued expenses: (Tables) | 12 Months Ended
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Sep. 30, 2013
Accrued expenses: |
Schedule of accrued expenses |
|  | September 30, |  | September 30, |
|  | 2013 |  | 2012 |
Warranty |  | $ | 701,456 |  | $ | 850,499 |
Salary, benefits and payroll taxes |  | 679,325 |  | 531,862 |
Professional fees |  | 393,570 |  | 330,858 |
Income taxes payable |  | 337,993 |  | 132,980 |
Materials on order |  | 30,492 |  | 43,374 |
Litigation claims |  | 656,865 |  | — |
Other |  | 873,208 |  | 834,239 |
|  | $ | 3,672,909 |  | $ | 2,723,812 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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