Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 1)

v3.20.4
Income Taxes (Details 1)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
U.S. federal statutory tax rate 21.00% 21.00%
State income taxes, net of federal benefit 4.20% 0.90%
U.S. vs. foreign tax rate differential 1.50% 1.70%
Non-deductible expenses (0.60%) (1.40%)
Change in valuation allowance (26.10%) (22.20%)
Effective tax rate