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Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
U.S. statutory tax rates   21.00% 21.00%  
Income tax benefit $ 200      
Federal NOL carryforward for federal   $ 33,817    
Foreign NOL carryforward   $ 2,768    
Minimum [Member]        
U.S. statutory tax rates       35.00%
Maximum [Member]        
U.S. statutory tax rates       21.00%