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Note 2 - Summary of Significant Accounting Policies - Operating Units (Details)
Nov. 30, 2018
Nov. 30, 2017
Operating Units    
Operating Units and Units with Franchise Agreements 84 87
Franchised Units [Member]    
Operating Units    
Operating Units and Units with Franchise Agreements 76 82
Licensed Units [Member]    
Operating Units    
Operating Units and Units with Franchise Agreements 4 3
Total Franchised Owned and Licensed Units [Member]    
Operating Units    
Operating Units and Units with Franchise Agreements 80 85
Unopened Store [Member]    
Operating Units    
Operating Units and Units with Franchise Agreements 4 2