Note 6 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	Patents			Trade Name			Technology & Software			Customer Relationships			Total
Gross carrying amount	$	16,000		$	846,186		$	624,162		$	4,963,860		$	6,450,208
Accumulated amortization		(16,000	)		(843,240	)		(624,162	)		(1,791,608	)		(3,275,010	)
	$	-		$	2,946		$	-		$	3,172,252		$	3,175,198

	Patents			Trade Name			Technology & Software			Customer Relationships			Total
Gross carrying amount	$	16,000		$	839,816		$	620,094		$	4,928,102		$	6,404,012
Accumulated amortization		(16,000	)		(668,929	)		(620,094	)		(1,465,569	)		(2,770,592	)
	$	-		$	170,887		$	-		$	3,462,533		$	3,633,420

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

Year Ended December 31,
2022		321,650
2023		318,704
2024		318,704
2025		318,704
2026		318,704
Total 5 year amortization	$	1,596,466