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Accrued Liabilities
9 Months Ended
Sep. 30, 2018
Payables and Accruals [Abstract]  
Accrued Liabilities
ACCRUED LIABILITIES
Accrued liabilities consist of the following (in thousands):
 
September 30,
2018
 
December 31,
2017
Salary and payroll tax accrual
$
9,962

 
$
9,449

Taxes payable
3,238

 
2,655

License fee obligation
1,000

 
1,000

Placement fees payable
2,438

 
4,000

Accrued other
5,879

 
7,850

Total accrued liabilities
$
22,517

 
$
24,954