Note 5 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2019			2018
Customer Relationships	$	494,315		$	-
Patentcost		135,683			109,748
		629,998			109,748
Less Accumulated depreciation		(141,282	)		(109,000	)
Intangible assets, net	$	488,716		$	748

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year ending December 31,	Amortization Expenses
2020		101,599
Thereafter		387,117
	$	488,716