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Income Taxes - Schedule of Deferred Income Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deferred tax assets:    
Federal net operating loss carryforwards $ 26,721 $ 27,847
State net operating loss carryforwards 4,703 5,133
Deferred tax assets, Operating lease liabilities 1,284 0
Other 2,762 1,892
Gross deferred tax asset 35,470 34,872
Valuation allowance (33,336) (34,011)
Deferred Tax Assets, Net of Valuation Allowance 2,134 871
Deferred tax liabilities:    
Deferred Tax Liabilities Operating lease Right Of Use Asset (1,187) 0
Property and equipment (874) (865)
Other (73) (6)
Gross deferred tax liability (2,134) (871)
Net deferred income taxes $ 0 $ 0