Note 11 - Earnings Per Common Share - Summary of Earnings Per Share Calculation (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net Income	$ 3,851,342	$ 1,171,264	$ 7,242,815	$ 2,237,139
Weighted average shares of common stock outstanding - Basic (in shares)	3,507,108	3,464,765	3,504,978	3,449,465
Net Income Per Common Share - Basic (in dollars per share)	$ 1.10	$ 0.34	$ 2.07	$ 0.65
Unvested Restricted Stock Awards (in shares)	11,278	0	2,308	0
Weighted average shares of common stock - Diluted (in shares)	3,518,386	3,464,765	3,507,286	3,449,465
Net Income Per Common Share - Diluted (in dollars per share)	$ 1.09	$ 0.34	$ 2.07	$ 0.65