Warranty Reserve and Accrual for Loss Contracts Related to Service (Tables)

12 Months Ended

Dec. 31, 2015

Warranty Reserve and Accrual for Loss Contracts Related to Service

Schedule of Product Warranty

        The following table summarizes product warranty activity recorded during the years ended December 31, 2015 and 2014 (in thousands):

	December 31, 2015			December 31, 2014
Beginning balance—January 1	$	1,311		$	1,608
Additions for ReliOn acquisition		—			233
Additions for current period deliveries		230			961
Reductions for payments made		(1,135	)		(1,491	)
Ending balance—December 31	$	406		$	1,311