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Note 9 - Intangible Assets, Net (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		September 30, 2024
​		Gross				Accumulated				Intangible
​		Amount				amortization				assets, net
Patents		$	9,788			$	(6,278	)		$	3,510
Trademarks			202				(49	)			153
Total intangible assets		$	9,990			$	(6,327	)		$	3,663

		December 31, 2023
​		Gross				Accumulated				Intangible
​		Amount				amortization				assets, net
Patents		$	9,502			$	(5,981	)		$	3,521
Trademarks			138				(31	)			107
Total intangible assets		$	9,640			$	(6,012	)		$	3,628

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

2024 (remaining 3 months)		$	102
2025			442
2026			442
2027			442
2028			442
2029 and thereafter			1,793
		$	3,663

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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