Annual report pursuant to Section 13 and 15(d)

Income Taxes (Effective Income Tax Rate Reconciliation) (Details)

v3.21.1
Income Taxes (Effective Income Tax Rate Reconciliation) (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 16.00% 15.00%
Non-deductible items (1.00%) 0.00%
Credits 4.00% 3.00%
Federal tax rate change 0.00% 0.00%
State tax rate change 1.00% 4.00%
Other 0.00% (2.00%)
Change in valuation allowance (41.00%) (41.00%)
Income taxes provision (benefit) 0.00% 0.00%