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Going Concern and Management Plans (Details Narrative) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Accumulated deficit $ 338,593 $ 328,467    
Cash and cash equivalents $ 323 $ 345 $ 1,100 $ 359