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Note 6 - Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

										March 31, 2022
		Weighted Average				Weighted Average
		Life				Remaining Life								Accumulated
(in thousands)		(Years)				(Years)				Cost				Amortization				Net Book Value
Developed technology			4.5				0.7			$	28,556			$	(24,081	)		$	4,475
Patent licenses			14.0				2.4				1,387				(1,146	)			241
Non-compete agreements			2.0				0.3				500				(417	)			83
Total intangibles subject to amortization										$	30,443			$	(25,644	)			4,799
Intangible assets not subject to amortization																			40
Total intangible assets, net																		$	4,839

										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

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

		(in thousands)
2022 (remaining nine months)		$	3,357
2023			590
2024			452
2025			240
2026			160
Total expected future amortization expense		$	4,799

X

- Definition

Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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X

- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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