Product Warranty Provisions (Tables)

6 Months Ended

Jun. 30, 2017

Product Warranty Provisions [Abstract]

Schedule Of Accrued Warranty

	June 30, 2017		December 31, 2016
Warranty accrual, beginning of the fiscal period	$	222,845	$	316,835
Accrual adjustment for product warranty		35,228		103,743
Payments made		(76,765)		(197,733)
Warranty accrual, end of the fiscal period	$	181,308	$	222,845