Note 6 - Intangible Assets

6 Months Ended

Jun. 30, 2022

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

6. Intangible Assets

			Six Months Ended June 30, 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	)	$	(20,789	)	$	67,183	$	70,081		15
IPR&D		2,656		(1,006	)		-			1,650		1,650	Indefinite
Customer relationships		9,000		-			(2,177	)		6,823		7,273		10
Distributor relationships		4,700		(415	)		(4,285	)		-		-		5
Patents		1,000		(189	)		(656	)		155		179		16
Tradenames		5,200		-			(2,521	)		2,679		3,199		5
Total	$	112,136	$	(3,218	)	$	(30,428	)	$	78,490	$	82,382		13

The aggregate amortization expense related to intangible assets was $1.9 million and $2.0 million for the three-month periods ended June 30, 2022 and 2021, respectively, and $3.9 million for each of the six-month periods ended June 30, 2022 and 2021.