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, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Accrued Liabilities Current [Abstract]    
Commissions $ 878 $ 989
Payroll and related expenses 957 645
Royalties 298 277
Interest payable 0 119
Final loan payment fees 0 1,281
Offering costs 0 323
Deferred rent 43 32
Professional services 110  
Other 80 45
Accrued Liabilities, Total $ 2,366 $ 3,711