Reserve for Product Warranties (Tables)

9 Months Ended

Sep. 30, 2014

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, 2013	$	358
Cost of warranty claims		(28	)
Warranty accrual		80
Warranty reserve, March 31, 2014		410
Cost of warranty claims		(32	)
Warranty accrual		100
Warranty reserve, June 30, 2014		478
Cost of warranty claims		(85	)
Warranty accrual		145
Warranty reserve, September 30, 2014	$	538