Note 3 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Intangible asset, gross	$ 5,950,204	$ 6,450,208
Accumulated amortizatio	(3,254,574)	(3,275,010)
Finite-Lived Intangible Assets, Net, Ending Balance	2,695,630	3,175,198
Patents [Member]
Intangible asset, gross	16,000	16,000
Accumulated amortizatio	(16,000)	(16,000)
Finite-Lived Intangible Assets, Net, Ending Balance	0	0
Trade Names [Member]
Intangible asset, gross	777,241	846,186
Accumulated amortizatio	(777,241)	(843,240)
Finite-Lived Intangible Assets, Net, Ending Balance	0	2,946
Technology and Software [Member]
Intangible asset, gross	580,131	624,162
Accumulated amortizatio	(580,131)	(624,162)
Finite-Lived Intangible Assets, Net, Ending Balance	0	0
Customer Relationships [Member]
Intangible asset, gross	4,576,832	4,963,860
Accumulated amortizatio	(1,881,202)	(1,791,608)
Finite-Lived Intangible Assets, Net, Ending Balance	$ 2,695,630	$ 3,172,252