Annual report pursuant to Section 13 and 15(d)

Income Taxes - Federal rates (Details)

v3.21.1
Income Taxes - Federal rates (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Taxes    
Statutory federal income tax rate 21.00% 21.00%
State taxes, net of federal tax benefit 13.00% 14.00%
State tax rate change 0.00% 1.00%
Stock-based compensation shortfall 6.00% 0.00%
Other 0.00% 4.00%
Credits 0.00% 5.00%
Change in valuation allowance (40.00%) (45.00%)
Income taxes provision (benefit) 0.00% 0.00%