Annual report pursuant to Section 13 and 15(d)

BUSINESS (Details Narrative)

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BUSINESS (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Working capital $ 24,300  
Net proceeds from issuance of common stock 18,500  
Cash and cash equivalents 25,496 $ 18,941
Accumulated deficit $ (162,363) $ (141,240)