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Note 6 - Intangible Assets, Net

9 Months Ended

Sep. 30, 2022

Intangible Assets Disclosure [Text Block]

NOTE 6.

Intangible Assets, Net

Intangible assets consist primarily of developed technology and patent licenses acquired from business or asset acquisitions. Acquired intangibles are amortized on a straight-line basis over the respective estimated useful lives of the assets.

The carrying values of intangible assets are as follows:

					*September 30, 2022*
	*Weighted Average*		*Weighted Average*
	*Life*		*Remaining Life*				*Accumulated*
(in thousands)	*(Years)*		*(Years)*		*Cost*		*Amortization*			*Net Book Value*
Developed technology		4.5		0.3	$	28,556	$	(26,768	)	$	1,788
Patent licenses		14.0		1.9		1,387		(1,196	)		191
Non-compete agreements		2.0		—		500		(500	)		—
Total intangibles subject to amortization					$	30,443	$	(28,464	)		1,979
Intangible assets not subject to amortization											40
Total intangible assets, net										$	2,019

					*December 31, 2021*
	*Weighted Average*		*Weighted Average*
	*Life*		*Remaining Life*				*Accumulated*
(in thousands)	*(Years)*		*(Years)*		*Cost*		*Amortization*			*Net Book Value*
Developed technology		4.5		0.9	$	28,556	$	(22,463	)	$	6,093
Patent licenses		14.0		2.7		1,387		(1,121	)		266
Non-compete agreements		2.0		0.6		500		(354	)		146
Total intangibles subject to amortization					$	30,443	$	(23,938	)		6,505
Intangible assets not subject to amortization											40
Total intangible assets, net										$	6,545

Intangible asset amortization expense was $1.3 million and $1.7 million for the three months ended September 30, 2022 and 2021, respectively, and $4.5 million and $5.0 million for the nine months ended September 30, 2022 and 2021, respectively. Intangible asset amortization expenses were primarily recorded in cost of revenues in the condensed consolidated statements of operations.

As of September 30, 2022, the Company expects amortization expense in future periods to be as follows:

	(in thousands)
2022 (remaining three months)	$	537
2023		590
2024		452
2025		240
2026		160
Total expected future amortization expense	$	1,979