Reserve for Product Warranties (Tables)

3 Months Ended

Mar. 31, 2015

Guarantees [Abstract]

Schedule of Changes in Company's Warranty Reserve and Related Costs

The following information reconciles changes in the Company’s warranty reserve and related costs (in thousands):

Warranty reserve, December 31, 2014	$	503
Cost of warranty claims		(90	)
Warranty accrual		60
Warranty reserve, March 31, 2015	$	473