Accrued Liabilities

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Accrued Liabilities

9. ACCRUED LIABILITIES

Accrued liabilities consisted of the following at December 31:

	2014		2013
Accrued bonus	$	4,915	$	6,849
Accrued commissions		4,477		3,827
Accrued payroll and employee-related expenses		2,281		1,404
Accrued taxes and value-added taxes payable		1,272		907
Accrued royalties		442		307
Other accrued liabilities		399		1,062
Sales returns allowance		135		105
Accrued non-employee stock options		120		350
Accrued settlement reserve (current portion)		—		1,259
Total	$	14,041	$	16,070