Note 5 - Goodwill and Other Intangible Assets, Net (Details Textual) - USD ($)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Mar. 01, 2021	Dec. 31, 2020
Goodwill, Period Increase (Decrease), Total				$ 1,800,000
Goodwill, Ending Balance	$ 16,157,277			16,157,277		$ 14,404,618		$ 11,505,852
Goodwill, Acquired During Period				1,922,513		2,898,766
Goodwill, Purchase Accounting Adjustments				(169,854)		$ 0
Amortization of Intangible Assets	$ 320,895		$ 261,025	$ 640,124	$ 466,949
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		1 year
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		15 years
Acquisition of Global Tek Manufacturing LLC [Member]
Goodwill, Ending Balance							$ 1,896,607
Goodwill, Purchase Accounting Adjustments		$ (200,000)