Note 11 - Earnings Per Common Share - Summary of Earnings Per Share Calculation (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net Income	$ 2,814,736	$ 1,254,545	$ 10,057,550	$ 3,491,684
Weighted average shares of common stock outstanding - Basic (in shares)	3,510,740	3,476,087	3,506,920	3,458,437
Net Income Per Common Share - Basic (in dollars per share)	$ 0.80	$ 0.36	$ 2.87	$ 1.01
Unvested Restricted Stock Awards (in shares)	25,957	0	12,752	0
Weighted average shares of common stock - Diluted (in shares)	3,536,697	3,476,087	3,519,672	3,458,437
Net Income Per Common Share - Diluted (in dollars per share)	$ 0.80	$ 0.36	$ 2.86	$ 1.01