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STOCK OPTIONS, RESTRICTED STOCK, AND DEFERRED COMPENSATION (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2014
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 71,768 94,910      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 350,000        
Share based Compensation Arrangement By Share Based Payment Award Exercisable Period 10 years        
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 293,900       $ 283,100
Accured Compensation Cost over Vesting Period $ 79,000.0 $ 107,400      
Deferred Compensation Arrangements, Overall, Description At December 31, 2021 and 2020, there were 85,765 and 88,412 units in the plan, respectively.        
Deferred Compensation Liability, Current and Noncurrent $ 1,100,000 1,100,000      
Deferred Compensation Arrangement with Individual, Compensation Expense $ 329,300 $ 312,200 $ 143,900    
Subordinated Debt [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Class of Warrant or Right, Outstanding 37,130        
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 5.90        
Restricted Stock [Member] | Executive Officer [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share based Compensation Arrangement by Share Based Payment Award Equity Instruments other than Options Grants In Period to Each Officer 13,302 17,175 8,418    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 17.59 $ 20.64 $ 20.18    
Restricted Stock [Member] | Executive Officer [Member] | Savannah River Financial Corporation [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share based Compensation Arrangement by Share Based Payment Award Equity Instruments other than Options Grants In Period to Each Officer       29,228  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value       $ 10.55