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Note 6 - Intangible Assets, Net - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Amortizable intangible assets, gross $ 2,863 $ 2,687
Accumulated amortization (629) (462)
Total amortizable 2,234 2,225
Indefinite life assets (non-amortizable) 354 344
Total intangible assets, net 2,588 2,569
Patents [Member]    
Amortizable intangible assets, gross 744 575
Trademarks [Member]    
Amortizable intangible assets, gross 157 150
Computer Software, Intangible Asset [Member]    
Amortizable intangible assets, gross $ 1,962 $ 1,962