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Accrued Liabilities (Tables)
 9 Months Ended
Sep. 30, 2018
Accrued Liabilities

Accrued liabilities consist of the following (amounts in thousands):

 

     September 30,
2018		      December 31,
2017		  

Employee compensation

    $ 7,986      $ 9,560  

Taxes

      2,719        1,668  

Related party payable

      1,728        —    

Royalty and license fees

      1,065        1,383  

Accrued purchases

      261        1,191  

Warranties

      605        598  

Professional fees

      563        947  

Deferred revenue

      1,234        960  

Other accrued expenses

      1,803        1,622  
  

 

 

     

 

 

  

Total

    $ 17,964      $ 17,929