Note 12 - Capital Stock and Stock Compensation - Changes in Non-vested Options (Details) - Restricted Stock [Member] - $ / shares	12 Months Ended
Nov. 26, 2022	Nov. 27, 2021
Restricted shares outstanding (in shares)	67,099	10,605
Granted, grant date fair value (in dollars per share)	$ 16.27
January 12, 2022 [Member]
Restricted shares outstanding (in shares)	51,300
Granted, grant date fair value (in dollars per share)	$ 15.82
Remaining restriction period (Year)	2 years 1 month 6 days
March 9, 2022 [Member]
Restricted shares outstanding (in shares)	15,799
Granted, grant date fair value (in dollars per share)	$ 17.72
Remaining restriction period (Year)	3 months 18 days

The restricted period of time on other than stock (or unit) option plans.

No definition available.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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