Quarterly report pursuant to Section 13 or 15(d) 03-31-2016

Accrued Liabilities - Schedule of Accrued Liabilities (Details)

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Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Accrued Liabilities, Current [Abstract]    
Commissions $ 563 $ 867
Payroll and related expenses 359 683
Royalties 478 515
Interest payable 237 222
Final loan payment fees 922 783
Other 644 351
Total accrued liabilities $ 3,203 $ 3,421