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Note 4 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Finite-Lived Intangible Assets, Gross $ 61,196 $ 64,892
Total amortizable intangible assets (40,406) (37,745)
Finite-Lived Intangible Assets, Net 20,790 27,147
Indefinite-lived intangible assets: 224 238
Total intangible assets, Net $ 21,014 27,385
Distribution Agreements/Customer Relationships [Member]    
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) [1] 7 years 2 months 12 days  
Finite-Lived Intangible Assets, Gross $ 16,124 17,689
Total amortizable intangible assets (8,727) (8,675)
Finite-Lived Intangible Assets, Net $ 7,397 9,014
Existing Technology [Member]    
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) [1] 3 years 2 months 12 days  
Finite-Lived Intangible Assets, Gross $ 37,549 38,707
Total amortizable intangible assets (26,482) (23,962)
Finite-Lived Intangible Assets, Net $ 11,067 14,745
Trade Names and Patents [Member]    
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) [1] 3 years 8 months 12 days  
Finite-Lived Intangible Assets, Gross $ 7,523 8,496
Total amortizable intangible assets (5,197) (5,108)
Finite-Lived Intangible Assets, Net $ 2,326 $ 3,388
[1] Weighted average life in years as of September 30, 2022