Annual report pursuant to Section 13 and 15(d)

Income Taxes - Effective Income Tax Rate Reconciliation (Details)

v3.20.4
Income Taxes - Effective Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Taxes    
Income tax provision at statutory rate 21.00% 21.00%
State taxes, net of federal benefit 0.00% (0.10%)
Other permanent differences (3.60%) (1.20%)
Change in valuation allowance (17.40%) (19.70%)
Provision for income taxes 0.00% 0.00%