Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2014

Payables and Accruals [Abstract]

Accrued liabilities

Accrued liabilities consist of the following (in thousands):

	June 30, 2014		December 31, 2013
Accrued payroll and related costs	$	2,789	$	3,885
Warranty reserve	494		515
Restructuring charges	—		49
Customer deposits	131		643
Litigation charges	1,863		1,875
Accrued taxes	46		75
Other accrued liabilities	298		353
	$	5,621	$	7,395