Product Warranty Provisions (Tables)

9 Months Ended

Sep. 30, 2013

Product Warranty Provisions [Abstract]

Schedule Of Accrued Warranty

	September 30, 2013		December 31, 2012
Warranty accrual, beginning of the fiscal period	$	653,473	$	691,832
Warranty expense incurred		90,964		650,367
Payments made		(198,358)		(688,726)
Warranty accrual, end of the fiscal period	$	546,079	$	653,473