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Income Taxes (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]          
Income tax from continuing operations  
Loss on income tax from continuing operations (1,100) $ (2,100) $ (2,000) $ (3,800)  
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 foreign subsidiaries 600   600    
Tax benefit in discontinued operations as liabilities 600   600    
Tax liabilities