Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2013

Payables and Accruals [Abstract]

Accrued liabilities

Accrued liabilities consist of the following (in thousands):

	June 30, 2013		December 31, 2012
Accrued payroll and related costs	$	3,211	$	3,237
Warranty reserve	548		419
Restructuring charges	808		149
Litigation charges	1,726		—
Accrued taxes	81		117
Other accrued liabilities	639		715
	$	7,013	$	4,637