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2. Investment Securities (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]          
Unrealized losses in the investment securites portfolio relating to debt securities $ 767   $ 767    
Proceeds from sales of investment securities available for sale 29,200 $ 8,400 46,100 $ 20,700  
Gains (losses) on sales of available for sale securities 1,700 $ (5) 2,100 $ 226  
Securities pledged to secure public deposits $ 77,700   $ 77,700   $ 66,000