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Income Taxes - Reconciliation of Income Taxes (Details) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |
U.S. statutory rate | 21.00% | 21.00%
Increase (decrease) resulting from: |  |
Permanent differences | (3.10%) | (0.10%)
State income taxes | 0.50% | 0.40%
Other | (0.10%) | (0.20%)
Vesting of common stock | (1.40%) | (1.40%)
Change in valuation allowance | (44.30%) | (36.20%)
PPP Loan forgiveness | 39.50% | 0.00%
Return to provision and other | (11.60%) | 16.90%
Income tax (expense) benefit | 0.50% | 0.40%

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