Note J - Shareholders' Equity (Details Textual)	12 Months Ended
	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Apr. 28, 2021 shares	Nov. 08, 2019 shares
Undistributed Earnings of Bank Subsidiaries | $	$ 23,181,592
Stock Repurchased and Retired During Period, Value | $		$ 3,381,000
Subsidiaries [Member]
Capital Required to be Well Capitalized to Risk Weighted Assets	0.1000	0.1000
Common Equity Tier One Capital Required to be Well-Capitalized to Risk Weighted Assets	6.50%	6.50%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	0.0800	0.0800
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	0.0500	0.0500
Capital Conservation Buffer Rate	2.50%
November 8, 2019 Share Repurchase Program [Member]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) | shares				65,000
Stock Repurchased and Retired During Period, Shares (in shares) | shares	0	65,000
Stock Repurchased and Retired During Period, Value | $		$ 741,574
April 28, 2021 Share Repurchase Program [Member]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) | shares			200,000
Stock Repurchased and Retired During Period, Shares (in shares) | shares	0	200,000
Stock Repurchased and Retired During Period, Value | $		$ 3,375,309