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Income Taxes - Schedule of Reconciliation of Income Tax Provision Computed using U.S. Statutory Federal Income Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Tax at U.S. statutory rate on income before income taxes $ (4,116) $ (4,153)
Change in valuation allowance 3,930 1,573
State taxes (684) (210)
Section 162(m) 310  
Stock-based compensation 559 68
(Income)/Loss taxable in period under the separate return method   2,719
Other $ 1 $ 3