Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities - Schedule of Accrued Liabilities (Details)

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Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Accrued Liabilities, Current [Abstract]    
Commissions $ 440 $ 867
Payroll and related expenses 562 683
Royalties 407 515
Interest payable 95 222
Final loan payment fees 1,219 783
Other 1,151 351
Total accrued liabilities $ 3,874 $ 3,421