Product Warranty (Tables)

9 Months Ended

Sep. 30, 2015

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

The following table summarizes the change in product warranty liability during the nine months endedSeptember 30, 2015 (in thousands):

Balance at beginning of the period	$	616
Cost of warranty claims	—
Accruals for product warranties	38
Balance at end of the period	$	654