Note 16 - Acquisitions - Revenue and Net Income of Acquired Entities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Sales	$ 106,932,314	$ 101,569,197
Net Income	5,926,696	6,666,796
Acquired Entities [Member]
Sales	41,776,303	32,893,573
Net Income	3,567,944	1,927,056
All Other Entities [Member]
Sales	65,156,011	68,675,624
Net Income	$ 2,358,752	$ 4,739,740