Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

Payables and Accruals [Abstract]

Accrued liabilities

Accrued liabilities consist of the following (in thousands):

	September 30, 2013		December 31, 2012
Accrued payroll and related costs	$	3,287	$	3,237
Warranty reserve	558		419
Restructuring charges	106		149
Litigation charges	1,831		—
Accrued taxes	110		117
Other accrued liabilities	682		715
	$	6,574	$	4,637