Note 4 - Accounts Receivable - Accounts Receivable (Details) - USD ($) $ in Thousands	Aug. 27, 2022	Nov. 27, 2021
Gross accounts receivable	$ 21,902	$ 21,134
Allowance for doubtful accounts	952	567
Accounts receivable, net	$ 20,950	$ 20,567

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 45
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