Note 5 - Intellectual Property

6 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

5. Intellectual Property

The components of gross intellectual property, accumulated amortization, and net intellectual property as of June 30, 2021 and December 31, 2020 are as follows:

	June 30, 2021
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact		Net Carrying Amount
Developed technology	$	68,838	$	(55,755	)	$	2,601	$	15,684
Technology and patents purchased		400		(185	)		44		259
Total intellectual property	$	69,238	$	(55,940	)	$	2,645	$	15,943

	December 31, 2020
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact		Net Carrying Amount
Developed technology	$	68,838	$	(51,734	)	$	4,872	$	21,976
Technology and patents purchased		400		(168	)		59		291
Total intellectual property	$	69,238	$	(51,902	)	$	4,931	$	22,267

The weighted average remaining useful life of the developed technology and technology and patents purchased was 1.8 years and 5.8 years, respectively as of June 30, 2021.