XML 36 R28.htm IDEA: XBRL DOCUMENT v3.19.1
BUSINESS (Details Narrative) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Working capital $ 23,400  
Accumulated deficit (188,452) $ (162,363)
Cash and cash equivalents $ 25,034 $ 25,496