Reserve for Product Warranties (Tables)

6 Months Ended

Jun. 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		(63	)
Warranty accrual		43
Warranty reserve, March 31, 2013		228
Cost of warranty claims		(24	)
Warranty accrual		52
Warranty reserve, June 30, 2013	$	256