Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2014

Payables and Accruals [Abstract]

Accrued liabilities

Accrued liabilities consist of the following (in thousands):

	March 31, 2014		December 31, 2013
Accrued payroll and related costs	$	2,656	$	3,885
Warranty reserve	494		515
Restructuring charges	31		49
Customer deposits	131		643
Litigation charges	1,875		1,875
Accrued taxes	15		75
Other accrued liabilities	350		353
	$	5,552	$	7,395