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Income Taxes (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Income Tax Disclosure [Abstract]        
Income tax from continuing operations    
Loss on income tax from continuing operations $ (900) $ (1,700)    
Effective income tax rate reconciliation, at federal statutory income tax rate, percent 21.00%   35.00%  
Minimum tax credit refundable $ 2,200      
Reversal of liabilities related to sale of foriegn subsidiaries 607      
Tax benefit in discontinued operations as liabilities $ 600     $ 900