Accrued Compensation
 12 Months Ended
Dec. 31, 2015
Compensation Related Costs [Abstract]  
Accrued Compensation
Accrued Compensation
Accrued compensation consisted of the following (in thousands):
 
As of December 31,
 
2015
 
2014
Accrued bonuses
$
4,034

 
$
4,728

Accrued commissions
5,212

 
3,035

Other benefits payable
2,231

 
2,692

Total
$
11,477

 
$
10,455