Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) shares in Thousands	12 Months Ended
Nov. 30, 2019	Nov. 30, 2018	Dec. 01, 2018
Goodwill, Impairment Loss	$ 0
Advertising Expense	$ 62,000	$ 14,000
Open Tax Year	2016 2017 2018
Weighted Average Number Diluted Shares Outstanding Adjustment, Total	0	0
Retained Earnings (Accumulated Deficit), Ending Balance	$ (11,342,785)	$ (11,272,448)	$ (11,356,067)
Royalty Fees From Franchises Percentage	5.00%
Franchise Agreements, Term	10 years
Accounting Standards Update 2014-09 [Member]
Retained Earnings (Accumulated Deficit), Ending Balance			$ 84,000
Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life	10 years
Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life	7 years

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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