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2. Investment Securities (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]      
Unrealized losses in the investment securites portfolio relating to debt securities $ 738 $ 1,400 $ 609
Proceeds from sales of investment securities available for sale 20,700 36,000 0
Gains on sales of available for sale securities 226 15 0
Securities pledged to secure public deposits $ 66,000 $ 93,000 $ 105,600