Note 4 - Loans - Major Categories of Loans (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Loans	$ 488,169,810	$ 486,381,167
Allowance for loan losses	3,654,318	3,650,268
Deferred origination fees net of costs	606,635	719,565
Loans and Leases Receivable, Net Amount	483,908,857	482,011,334
Commercial Real Estate Portfolio Segment [Member]
Loans	329,179,712	319,185,116
Construction and Land Development [Member]
Loans	20,325,400	28,221,854
Residential Portfolio Segment [Member]
Loans	111,993,662	107,436,033
Commercial Portfolio Segment [Member]
Loans	26,374,885	31,182,206
Consumer Portfolio Segment [Member]
Loans	$ 296,151	$ 355,958

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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