Note 7 - Acquired Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

			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

			Year Ended December 31, 2019
	Gross Value		Less: Accumulated Currency Translation Adjustment			Less: Current Period Impairment Charge			Less: Accumulated Amortization			Net Book Value		Weighted Average Useful Life
Developed technology	$	17,100	$	(2,934	)	$	(389	)	$	(9,657	)	$	4,120	15
IPR&D		4,406		(1,234	)		-			-			3,172	Indefinite
Distributor relationships		4,700		(415	)		-			(4,285	)		-	5
Patents		1,000		(176	)		-			(531	)		293	16
Tradename		1,000		-			-			(1,000	)		-	9
Total	$	28,206	$	(4,759	)	$	(389	)	$	(15,473	)	$	7,585	11