Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)	Mar. 31, 2023 USD ($) $ / shares shares
Available for sale securities, amortized cost | $	$ 70,218,924
Allowance for credit loss | $	$ 137,148
Common stock, par value (in dollars per share) | $ / shares	$ 0.10
Common stock, shares authorized (in shares)	20,000,000
Common stock, shares issued (in shares)	7,746,922
Common stock, shares outstanding (in shares)	7,746,922