Note 5 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Intangible assets	$ 629,998	$ 109,748
Less Accumulated depreciation	(141,282)	(109,000)
Intangible assets, net	488,716	748
Customer Relationships [Member]
Intangible assets	494,315
Patents [Member]
Intangible assets	$ 135,683	$ 109,748