Annual report pursuant to Section 13 and 15(d)

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

v3.22.1
Income Taxes (Effective Income Tax Rate Reconciliation) (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Percentage of pre-tax income:    
U.S. federal statutory income tax rate 21.00% 21.00%
State taxes, net of federal benefit 10.00% 11.00%
Credits 4.00% 4.00%
Non-deductible items (3.00%) (1.00%)
Provision to return 0.00% 1.00%
Stock based compensation shortfall (1.00%) (1.00%)
Change in state rate 1.00% 0.00%
Change in valuation allowance (29.00%) (35.00%)
Change in subsidiary basis (2.00%) 1.00%
Other (1.00%) (1.00%)
Effective income tax rate 0.00% 0.00%