Note 7 - Intellectual Property

9 Months Ended

Sep. 30, 2022

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

7. Intellectual Property

The components of gross intellectual property, accumulated amortization, and net intellectual property are as follows:

	September 30, 2022
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact			Net Carrying Amount
Developed technology	$	68,838	$	(66,483	)	$	(995	)	$	1,360
Technology and patents purchased		400		(229	)		(2	)		169
Total intellectual property	$	69,238	$	(66,712	)	$	(997	)	$	1,529

	December 31, 2021
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact			Net Carrying Amount
Developed technology	$	68,838	$	(58,912	)	$	(262	)	$	9,664
Technology and patents purchased		400		(199	)		27			228
Total intellectual property	$	69,238	$	(59,111	)	$	(235	)	$	9,892

The weighted average remaining useful life of the developed technology and technology and patents purchased was 4.4 years and 4.6 years, respectively, as of September 30, 2022. The weighted average remaining useful life of the developed technology and technology and patents purchased was 1.6 years and 5.3 years, respectively as of December 31, 2021.