Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Payables and Accruals [Abstract]

Accrued liabilities

Accrued liabilities consist of the following (in thousands):

	March 31, 2015		December 31, 2014
Accrued payroll and related costs	$	1,482	$	1,463
Warranty reserve	145		143
Restructuring charges	472		701
Accrued taxes	—		33
Other accrued liabilities	811		504
	$	2,910	$	2,844