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LICENSE AGREEMENTS (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2012
Dec. 31, 2018
License Agreement [Line Items]        
License revenue $ 38 $ 38    
TG-1701 [Member]        
License Agreement [Line Items]        
Upfront Fee 1,000      
TG-1801 [Member]        
License Agreement [Line Items]        
Upfront Fee 3,000      
TG-1101 [Member]        
License Agreement [Line Items]        
Upfront Fee     $ 2,000  
Income taxes     $ 300  
License revenue 152 $ 152    
Deferred Revenue 1,000     $ 1,100
Deferred Revenue, current $ 152     $ 152