Product Warranty Provisions (Tables)

9 Months Ended

Sep. 30, 2017

Product Warranty Provisions [Abstract]

Schedule Of Accrued Warranty

	September 30, 2017		December 31, 2016
Warranty accrual, beginning of the fiscal period	$	222,845	$	316,835
Accrual adjustment for product warranty		31,631		103,743
Payments made		(79,529)		(197,733)
Warranty accrual, end of the fiscal period	$	174,947	$	222,845