Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Accrued liabilities

Accrued liabilities consisted of the following (in thousands):

December 31:	2014		2013
Payroll and related	$	9,068	$	9,537
Professional fees	1,441		1,400
Non-income taxes	1,544		3,223
Product warranty	616		578
Deferred rent	160		278
Derivative litigation settlement	—		1,241
Other	1,716		3,206
Total accrued liabilities	$	14,545	$	19,463