Note 20 - Subsequent Event	12 Months Ended
Nov. 27, 2021
Notes to Financial Statements
Subsequent Events [Text Block]	*20.* Subsequent Event On January 31, 2022, we entered into a definitive agreement to sell substantially all of the assets of Zenith Freight Lines, LLC to J.B. Hunt Transport Services, Inc. for approximately $87,000 in cash. We expect the transaction to close by February 28, 2022 subject to customary closing conditions.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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