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Note 11 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 01, 2025
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Goodwill and Intangible Asset Impairment       $ 674 $ 6,035
Goodwill, Impairment Loss       0 4,795
Goodwill, Period Increase (Decrease)       0  
Amortization of Intangible Assets       2,900 2,600
MRI Reporting Unit [Member]          
Goodwill, Impairment Loss     $ 4,800    
Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]     Goodwill and Intangible Asset Impairment    
MRI Trade Name [Member]          
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) $ 150 $ 230 $ 1,200    
Indefinite-Lived Intangible Assets (Excluding Goodwill)       560 940
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]     Goodwill and Intangible Asset Impairment    
Franchise Agreements [Member]          
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) $ 294        
Indefinite-Lived Intangible Assets (Excluding Goodwill)       $ 3,700 $ 4,900