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Basis of Presentation and Going Concern (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Apr. 01, 2019
Feb. 08, 2019
Feb. 01, 2019
Jan. 01, 2019
May 21, 2019
Mar. 31, 2019
Mar. 31, 2018
Feb. 09, 2019
Debt Instrument, Periodic Payment       $ 1,700        
Net Cash Provided by (Used in) Operating Activities           $ (1,007) $ (7,394)  
Mionority Interest Percentage By Parent               50.00%
Restructuring Charges   $ 75 $ 125          
Working capital deficit           $ 15,300    
Subsequent Event [Member]                
Debt Instrument, Periodic Payment $ 3,900       $ 21,700