Accrued Liabilities

12 Months Ended

Dec. 31, 2014

Accrued Liabilities

8. ACCRUED LIABILITIES

Accrued liabilities consist of the following:

	As of December 31,
	2014		2013
Accrued compensation and benefits	$	17,544	$	11,591
Accrued warranties		2,719		2,364
Professional and legal fees		1,475		1,203
Other accrued liabilities		4,389		4,983
	$	26,127	$	20,141

Activity related to accrued warranties was as follows:

	Years ended December 31,
	2014			2013			2012
Balance, beginning of year	$	2,364		$	2,359		$	2,365
Provision for warranty expense		3,848			3,541			3,071
Fulfillment of warranty obligations		(3,493	)		(3,536	)		(3,077	)
Balance, end of year	$	2,719		$	2,364		$	2,359