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Loan Servicing (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Loan Servicing (Details)    
Balance at beginning of year $ 939,577 $ 1,004,948
Mortgage servicing rights capitalized 248,305 114,580
Mortgage servicing rights amortized (185,264) (179,951)
Change in valuation allowance (31,578) 0
Balance at end of period $ 971,040 $ 939,577