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Income Taxes (Details 2)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Summary of reconciliation of Effective income tax rate and statutory federal income tax rate
Amounts at statutory tax rates	21.00%	34.00%
Federal tax reform - deferred rate change		(170.00%)
Accounting method adoption		11.00%
Foreign losses taxed at different rates	(1.00%)	(7.00%)
Foreign withholding tax		1.00%
Stock-based compensation	7.00%
Other	(2.00%)	(1.00%)
Total	11.00%	(132.00%)
Valuation allowance	(11.00%)	133.00%
Effective tax rate		1.00%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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