Note 4 - Intangible Assets and Goodwill (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	As of March 31, 2022							As of December 31, 2021
	Gross Carrying Costs		Accumulated Amortization			Net Carrying Amount		Gross Carrying Costs		Accumulated Amortization			Impairment			Net Carrying Amount
Patents & Trademarks	$	488,158	$	(236,595	)	$	251,563	$	453,314	$	(230,572	)	$	-		$	222,742
Developed Technology		3,500,000		(123,959	)		3,376,041		6,382,000		(432,733	)		(2,485,725	)		3,463,542
Customer Relationships		200,000		(7,083	)		192,917		645,000		(410,000	)		(37,083	)		197,917
Tradename		80,000		(7,083	)		72,917		478,000		(29,343	)		(370,740	)		77,917
Total	$	4,268,158	$	(374,720	)	$	3,893,438	$	7,958,314	$	(1,102,648	)	$	(2,893,548	)	$	3,962,118