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Accrued Liabilities
 12 Months Ended
Dec. 31, 2016
Payables and Accruals [Abstract]  
Accrued Liabilities
ACCRUED LIABILITIES
Accrued liabilities consist of the following:
 
 
As of December 31,
 
 
2016
 
2015
Accrued compensation and benefits
 
$
13,649

 
$
12,798

Accrued warranties
 
2,594

 
2,309

Professional and legal fees
 
1,775

 
2,014

Taxes other than income
 
4,026

 
2,605

Other accrued liabilities
 
2,528

 
2,848

 
 
$
24,572

 
$
22,574


Activity related to accrued warranties was as follows:
 
 
Years ended December 31,
 
 
2016
 
2015
 
2014
Balance, beginning of year
 
$
2,309

 
$
2,719

 
$
2,364

Provision for warranty expense
 
3,544

 
3,597

 
3,848

Fulfillment of warranty obligations
 
(3,259
)
 
(4,007
)
 
(3,493
)
Balance, end of year
 
$
2,594

 
$
2,309

 
$
2,719