Quarterly report pursuant to Section 13 or 15(d)

Going Concern (Details Textual)

v3.8.0.1
Going Concern (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Net Income (Loss) Attributable to Parent, Total $ (5,110) $ (6,998)    
Net Cash Provided by (Used in) Operating Activities (2,455) (4,646)    
Retained Earnings (Accumulated Deficit), Total (155,120)   $ (150,010)  
Cash and Cash Equivalents, at Carrying Value, Total 1,536 $ 2,350 2,181 $ 5,580
Long-term Debt, Total 12,831   $ 10,929  
Proceeds from Lines of Credit $ 29,000