Reserve for Product Warranties (Tables)

9 Months Ended

Sep. 30, 2013

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, 2012	$	248
Cost of warranty claims		(130	)
Warranty accrual		173
Warranty reserve, September 30, 2013	$	291