Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

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

Changes in the Company’s warranty reserve and related costs were as follows:

	(In thousands)
Warranty reserve, December 31, 2011	$	167
Cost of warranty claims		(244	)
Warranty accrual		325
Warranty reserve, December 31, 2012		248
Cost of warranty claims		(191	)
Warranty accrual		301
Warranty reserve, December 31, 2013		358
Cost of warranty claims		(213	)
Warranty accrual		358
Warranty reserve, December 31, 2014	$	503