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ACCRUED EXPENSES
 12 Months Ended
Dec. 31, 2018
Payables And Accruals [Abstract]  
ACCRUED EXPENSES

9.

ACCRUED EXPENSES:

Accrued expenses consist of the following (in thousands):

 

  

 

December 31,

 

 

 

2018

 

 

2017

 

Compensation

 

$

13,803

 

 

$

20,997

 

Royalties

 

 

6,996

 

 

 

9,746

 

Research and development agreements

 

 

3,572

 

 

 

48

 

Professional fees

 

 

655

 

 

 

748

 

Consulting

 

 

527

 

 

 

491

 

Other

 

 

10,504

 

 

 

2,989

 

 

 

$

36,057

 

 

$

35,019