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Note 3 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets, Gross $ 61,149 $ 61,196
Total amortizable intangible assets (41,710) (40,406)
Finite-Lived Intangible Assets, Net 19,439 20,790
Indefinite-lived intangible assets: 202 224
Total intangible assets, Net $ 19,641 21,014
Distribution Agreements/Customer Relationships [Member]    
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) [1] 7 years  
Finite-Lived Intangible Assets, Gross $ 16,226 16,124
Total amortizable intangible assets (9,086) (8,727)
Finite-Lived Intangible Assets, Net $ 7,140 7,397
Existing Technology [Member]    
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) [1] 3 years  
Finite-Lived Intangible Assets, Gross $ 37,365 37,549
Total amortizable intangible assets (27,196) (26,482)
Finite-Lived Intangible Assets, Net $ 10,169 11,067
Trade Names and Patents [Member]    
Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) [1] 3 years 6 months  
Finite-Lived Intangible Assets, Gross $ 7,558 7,523
Total amortizable intangible assets (5,428) (5,197)
Finite-Lived Intangible Assets, Net $ 2,130 $ 2,326
[1] Weighted average life in years as of September 30, 2022