Note 2 - Significant Accounting Policies - Aggregate Exposure from Receivables and Guarantees Related to Customers (Details) - USD ($) $ in Thousands	Nov. 28, 2020	Nov. 30, 2019
Accounts receivable, net of allowances (Note 5)	$ 22,340	$ 21,378
Contingent obligations under lease and loan guarantees, less amounts recognized (Note 15)	1,760	1,751
Other	376	168
Total credit risk exposure related to customers	$ 24,476	$ 23,297

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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