Note 11 - Earnings Per Common Share - Summary of Earnings Per Share Calculation (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Net Income	$ 3,283,456	$ 3,851,342	$ 6,280,341	$ 7,242,815
Weighted average shares of common stock outstanding - Basic (in shares)	3,540,656	3,507,108	3,536,834	3,504,978
Net Income Per Common Share - Basic (in dollars per share)	$ 0.93	$ 1.1	$ 1.78	$ 2.07
Unvested Restricted Stock Awards (in shares)	11,857	11,278	8,639	2,308
Weighted average shares of common stock - Diluted (in shares)	3,552,513	3,518,386	3,545,473	3,507,286
Net Income Per Common Share - Diluted (in dollars per share)	$ 0.92	$ 1.09	$ 1.77	$ 2.07