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Note 10 - Identified Intangible Assets (Details Textual) - USD ($)
$ in Thousands
Sep. 30, 2023
Mar. 30, 2023
Mar. 29, 2023
Dec. 31, 2022
Sep. 30, 2022
Sep. 29, 2022
Finite-Lived Intangible Assets, Accumulated Amortization $ 7,892     $ 6,318 $ 5,550  
Trademarks [Member] | NEOS Brand [Member]            
Indefinite-Lived Intangible Assets (Excluding Goodwill)         0 $ 600
Customer Relationships [Member]            
Finite-Lived Intangible Assets, Gross 41,659       46,006  
Finite-Lived Intangible Assets, Accumulated Amortization 7,051     5,492 [1] 4,729  
Customer Relationships [Member] | NEOS Brand [Member]            
Finite-Lived Intangible Assets, Gross         0 900
Finite-Lived Intangible Assets, Accumulated Amortization           $ 100
Patents [Member]            
Finite-Lived Intangible Assets, Gross 895       895  
Finite-Lived Intangible Assets, Accumulated Amortization $ 841     $ 826 821  
Finite-Lived Intangible Asset, Useful Life (Year) 6 years 8 months 12 days          
Servus Brand [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]            
Indefinite-Lived Trade Names   $ 0 $ 2,500      
Finite-Lived Intangible Assets, Gross     4,300      
NEOS Brand [Member] | Customer Relationships [Member]            
Finite-Lived Intangible Assets, Gross   $ 0        
Finite-Lived Intangible Assets, Accumulated Amortization     $ 600   $ 0  
[1] Customer relationships relating to the NEOS brand of approximately $0.9 million and related amortization of approximately $0.1 million was reduced to zero at September 30, 2022 as a result of the sale of the NEOS brand (see Note 5).