Annual report pursuant to Section 13 and 15(d)

5. DEBT (Details)

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5. DEBT (Details) - Oxford Loan - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Gross proceeds $ 20,000,000 $ 16,000,000
Less: debt discount, net    
End of term fee (1,155,157) (1,250,194)
Warrants (257,201) (310,196)
Financing fees (154,891) (192,398)
Note payable $ 18,432,751 $ 14,247,212