Going Concern and Management’s Plans (Details Narrative) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accumulated deficit	$ 378,900	$ 328,467
Cash and cash equivalents	9,519	$ 345	$ 359
March 31 2018 [Member]
Cash and cash equivalents	$ 460