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Accrued Liabilities and Other Liabilities-Noncurrent (Details) (USD $)
Mar. 31, 2013
Sep. 30, 2012
Mar. 31, 2012
Schedule of Accrued Liabilities      
Accrued contract costs $ 394,066 $ 197,032  
Payroll and related 292,707 272,212  
Warranty reserve 173,788 154,069 163,694
Customer deposits 17,298 10  
Deferred revenue 2,218 419  
Total 880,077 623,742  
Other liabilities - noncurrent consisted of the following:      
Deferred revenue - noncurrent 270,141 270,140  
Deferred rent 102,339 43,433  
Extended warranty 31,217 50,244 53,546
Total $ 403,697 $ 363,817