Note 11 - Earnings Per Common Share - Summary of Earnings Per Share Calculation (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net Income	$ 3,391,473	$ 1,065,875
Weighted average shares of common stock outstanding - Basic (in shares)	3,502,824	3,433,995
Net Income Per Common Share - Basic (in dollars per share)	$ 0.97	$ 0.31
Warrants, Options and Convertible Notes (in shares)	0	0
Diluted (in shares)	3,502,824	3,433,995
Net Income Per Common Share - Diluted (in dollars per share)	$ 0.97	$ 0.31