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Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Federal:    
Current $ 212 $ (1)
Deferred 416 440
Federal income taxes 628 439
State:    
Current 340 91
Deferred 159 19
State income taxes 499 110
Income tax expense $ 1,127 $ 549