Note 7 - Acquired Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Table Text Block]

			Year Ended December 31, 2021
	Gross Value		Less: Accumulated Currency Translation Adjustment			Less: Current Period Impairment Charge			Less: Accumulated Amortization			Net Book Value		Weighted Average Useful Life
Developed technology	$	89,580	$	(1,608	)	$	-		$	(17,891	)	$	70,081		15
IPR&D		3,256		(1,006	)		(600	)		-			1,650	Indefinite
Customer relationships		9,000		-			-			(1,727	)		7,273		10
Distributor relationships		4,700		(415	)		-			(4,285	)		-		5
Patents		1,000		(189	)		-			(632	)		179		16
Tradenames		5,200		-			-			(2,001	)		3,199		5
Total	$	112,736	$	(3,218	)	$	(600	)	$	(26,536	)	$	82,382		13

			Year Ended December 31, 2020
	Gross Value		Less: Accumulated Currency Translation Adjustment			Less: Current Period Impairment Charge			Less: Accumulated Amortization			Net Book Value		Weighted Average Useful Life
Developed technology	$	93,953	$	(2,648	)	$	(1,025	)	$	(14,381	)	$	75,899		15
IPR&D		5,006		(1,005	)		(1,414	)		-			2,587	Indefinite
Customer relationships		9,000		-			-			(827	)		8,173		10
Distributor relationships		4,700		(415	)		-			(4,285	)		-		5
Patents		1,000		(159	)		-			(582	)		259		16
Tradenames		5,200		-			-			(961	)		4,239		5
Total	$	118,859	$	(4,227	)	$	(2,439	)	$	(21,036	)	$	91,157		13