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Note 6 - Intangible Assets, Net

6 Months Ended

Jun. 30, 2021

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:

					*June 30, 2021*
	*Weighted Average*		*Weighted Average*
	*Life*		*Remaining Life*				*Accumulated*
(in thousands)	*(Years)*		*(Years)*		*Cost*		*Amortization*			*Net Book Value*
Developed technology		4.4		1.3	$	27,356	$	(19,268	)	$	8,088
Patent licenses		14.0		3.2		1,387		(1,071	)		316
Non-compete agreements		2.0		1.1		500		(229	)		271
Total intangibles subject to amortization					$	29,243	$	(20,568	)		8,675
Intangible assets not subject to amortization											40
Total intangible assets, net										$	8,715

					*December 31, 2020*
	*Weighted Average*		*Weighted Average*
	*Life*		*Remaining Life*				*Accumulated*
(in thousands)	*(Years)*		*(Years)*		*Cost*		*Amortization*			*Net Book Value*
Developed technology		4.4		1.8	$	27,356	$	(16,152	)	$	11,204
Patent licenses		14.0		3.7		1,387		(1,021	)		366
Non-compete agreements		2.0		1.6		500		(104	)		396
Total intangibles subject to amortization					$	29,243	$	(17,277	)		11,966
Intangible assets not subject to amortization											40
Total intangible assets, net										$	12,006

Intangible asset amortization expense was $1.6 million and $1.5 million for the three months ended June 30, 2021 and 2020, respectively, and $3.3 million and $3.0 million for the six months ended June 30, 2021 and 2020, respectively. Intangible asset amortization expenses were primarily recorded in cost of revenues in the condensed consolidated statements of operations.

As of June 30, 2021, the Company expects amortization expense in future periods to be as follows:

	(in thousands)
2021 (remaining six months)	$	3,290
2022		4,823
2023		350
2024		212
Total expected future amortization expense	$	8,675