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Schedule of Provision for Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Current income tax expense:    
International $ 5 $ 8
Federal 534 398
State 140 79
Total current income tax expense 679 485
Deferred income tax benefit:    
Federal (17) (20)
State (3) (3)
Total deferred income tax benefit (20) (23)
Total income tax expense $ 659 $ 462