Consolidated Balance Sheets (Parentheticals) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Available for sale securities, amortized cost	$ 70,615,724	$ 35,256,039
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	7,746,922	7,745,404
Common stock, shares outstanding (in shares)	7,746,922	7,745,404