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Income taxes (Details - Provision) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Current:    
Federal $ 645 $ 1,097
State and local 444 951
Total current 1,089 2,048
Deferred (172) 257
Provision for income taxes $ 917 $ 2,305