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Warranty: (Tables)
12 Months Ended
Sep. 30, 2014
Warranty:  
Schedule of warranty cost and accrual information

 

 

 

2014

 

2013

 

Warranty accrual as of October 1,

 

$

701,456

 

$

850,499

 

Accrued expense for fiscal year

 

265,362

 

(272

)

Warranty cost incurred for fiscal year

 

(189,219

)

(148,771

)

Warranty accrual as of September 30,

 

$

777,599

 

$

701,456