Warranty Reserve (Tables)

3 Months Ended

Mar. 31, 2015

Warranty Reserve [Abstract]

Schedule Of Changes in Warranty Accrual

	Three Months Ended
	March 31,
	2015		2014
Beginning balance	$	2,194	$	1,150
Warranty expense provisions		575		268
Payments		(242)		(188)
Ending balance	$	2,527	$	1,230