Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2015

Payables and Accruals [Abstract]

Accrued liabilities

Accrued liabilities consist of the following (in thousands):

	June 30, 2015		December 31, 2014
Accrued payroll and related costs	$	1,740	$	1,463
Warranty reserve	132		143
Restructuring charges	185		701
Accrued taxes	7		33
Other accrued liabilities	394		504
	$	2,458	$	2,844