Note 7 - Intellectual Property

3 Months Ended

Mar. 31, 2023

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:

	March 31, 2023
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact			Net Carrying Amount
Developed technology	$	68,838	$	(66,646	)	$	(853	)	$	1,339
Technology and patents purchased		400		(248	)		15			167
Total intellectual property	$	69,238	$	(66,894	)	$	(838	)	$	1,506

	December 31, 2022
	(in thousands)
	Gross Carrying Amount		Accumulated Amortization			Foreign Currency Translation Impact			Net Carrying Amount
Developed technology	$	68,838	$	(66,562	)	$	(874	)	$	1,402
Technology and patents purchased		400		(239	)		13			174
Total intellectual property	$	69,238	$	(66,801	)	$	(861	)	$	1,576

The weighted average remaining useful life of the developed technology and technology and patents purchased was 3.9 years and 4.1 years, respectively, as of March 31, 2023. The weighted average remaining useful life of the developed technology and technology and patents purchased was 4.2 years and 4.3 years, respectively as of December 31, 2022.