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Note 16 - Related Party Transactions (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 27, 2025
Dec. 28, 2024
Dec. 30, 2023
Equity Method Investment, Other-than-Temporary Impairment $ 0 $ 903 $ 0
FTZ [Member]      
Equity Method Investment, Other-than-Temporary Impairment   $ 900  
Equity Method Investment, Realized Gain (Loss) on Disposal $ 400    
Blackrock [Member]      
Subsidiary, Ownership Percentage, Noncontrolling Owner 14.70%