Warranty Reserves (Tables)

3 Months Ended

Mar. 31, 2015

Warranty Reserve

Schedule of Product Warranty

	2015			2014
Beginning balance - January 1	$	1,311,442		$	1,608,131
Additions for current period deliveries	111,107			227,431
Reductions for payments made	(195,180		)	(357,391		)
Ending balance - March 31	$	1,227,369		$	1,478,171