Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Income Tax (Details 1)

v3.19.1
Income Tax (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax [Abstract]      
Tax rate 23.00% 24.00% 25.00%
Tax expense (benefit) at statutory rate $ (105,234) $ (642,090) $ (163,365)
Tax rate differential 28,057 (55,376)
Decrease in taxes from permanent differences in stock-based compensation 10,964 27,301 52,545
Decrease in taxes from permanent difference in warrants liabilities (212,959) 304,254 29,394
Loss carryforwards-change in valuation allowance 307,229 282,478 136,802
Income tax expense (benefit)