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Going Concern and Management's Plans (Details Narrative) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Dec. 31, 2016
Accumulated deficit $ (400,241) $ (378,900)    
Cash and cash equivalents 275 $ 9,519 $ 43 $ 345
November 19, 2018 [Member]        
Cash and cash equivalents $ 155