Note 6 - Intangible Assets, Net - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Amortizable intangible assets, gross	$ 2,818	$ 2,687
Accumulated amortization	(544)	(462)
Total amortizable	2,274	2,225
Indefinite life assets (non-amortizable)	344	344
Total intangible assets, net	2,618	2,569
Patents [Member]
Amortizable intangible assets, gross	701	575
Trademarks [Member]
Amortizable intangible assets, gross	155	150
Computer Software, Intangible Asset [Member]
Amortizable intangible assets, gross	$ 1,962	$ 1,962

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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