Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities

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Accrued Liabilities
 6 Months Ended
Jun. 30, 2016
Payables and Accruals [Abstract]  
Accrued Liabilities

6. Accrued Liabilities

 

Accrued liabilities consisted of the following (in thousands):

 

    June 30, 2016     December 31, 2015  
Commissions   $ 592     $ 867  
Payroll and related expenses     562       683  
Royalties     472       515  
Interest payable     195       222  
Final loan payment fees     1,091       783  
Other     557       351  
Total accrued liabilities   $ 3,469     $ 3,421