Product Warranty (Tables)

6 Months Ended

Jun. 30, 2014

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

The following table summarizes the change in product warranty liability during the six months endedJune 30, 2014 (in thousands):

	Six months ended
	June 30, 2014
Beginning balance	$	578
Cost of warranty claims	(18		)
Accruals for product warranties	43
Total	$	603