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
Mar. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Payroll and related expense $ 457 $ 477
Other 284 142
Commissions 252 311
Royalties 106 96
Interest payable 11 6
Final loan payment fees 1,650
Total accrued liabilities $ 1,110 $ 2,682