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Accrued Liabilities
9 Months Ended
Sep. 30, 2016
Payables and Accruals [Abstract]  
Accrued Liabilities
ACCRUED LIABILITIES

Accrued liabilities consisted of the following (in thousands):
 
As of
 
September 30, 2016
 
December 31, 2015
Payroll and related liabilities
$
3,282

 
$
6,556

Other
6,097

 
6,471

  Total accrued liabilities
$
9,379

 
$
13,027