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Taxes (Details 1)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Taxes [Line Items]    
Federal income tax expense (benefit) at statutory rate 21.00% (34.00%)
Effect of:    
2017 Tax Act (96.70%) 101.50%
Foreign tax differential 23.00% 5.80%
Tax effects of foreign operations 46.60% 33.80%
Tax effects of foreign operations - permanent FX gains and losses 23.80% (11.60%)
Withholding tax 6.70% 0.00%
Increase in unrecognized tax benefits (FIN48) 19.10% 0.70%
State income tax, net of federal 2.00% 0.10%
Change in valuation allowance 58.60% (90.70%)
Permanent items (4.70%) 0.00%
Effective tax rate 99.40% 5.60%