Note 6 - Intangible Assets

3 Months Ended

Mar. 31, 2022

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

6. Intangible Assets

Intangible assets as of March 31, 2022 and December 31, 2021 consisted of the following:

			Three Months Ended March 31, 2022								December 31, 2021
	Gross Value		Less: Accumulated Currency Translation Adjustment			Less: Accumulated Amortization			Net Book Value		Net Book Value		Weighted Average Useful Life
Developed technology	$	89,580	$	(1,608	)	$	(19,340	)	$	68,632	$	70,081		15
IPR&D		2,656		(1,006	)		-			1,650		1,650	Indefinite
Customer relationships		9,000		-			(1,952	)		7,048		7,273		10
Distributor relationships		4,700		(415	)		(4,285	)		-		-		5
Patents		1,000		(189	)		(644	)		167		179		16
Tradenames		5,200		-			(2,261	)		2,939		3,199		5
Total	$	112,136	$	(3,218	)	$	(28,482	)	$	80,436	$	82,382		13

The aggregate amortization expense related to intangible assets was $1.9 million for the three-month periods ended March 31, 2022 and 2021.