Note 2 - Significant Accounting Policies - Aggregate Exposure from Receivables and Guarantees Related to Customers (Details) - USD ($) $ in Thousands	Nov. 25, 2023	Nov. 26, 2022
Accounts receivable, net of allowance for credit losses of $535 and $1,261 as of November 25, 2023 and November 26, 2022, respectively	$ 13,736	$ 17,838
Contingent obligations under lease and loan guarantees, less amounts recognized (Note 15)	1,819	1,828
Other	81	43
Total credit risk exposure related to customers	$ 15,636	$ 19,709