Note 4 - Accounts and Other Receivables (Details Textual)
$ in Thousands
6 Months Ended
Aug. 11, 2016
Jun. 01, 2016
USD ($)
May 31, 2016
USD ($)
Nov. 29, 2016
USD ($)
Dec. 01, 2015
USD ($)
Disposal Group, Including Discontinued Operation, Consideration     $ 5,289  
Number of Restaurants Closed 95     100  
Proceeds from Sale of Property, Plant, and Equipment       $ 12,258 $ 3,665
Lime Fresh [Member]          
Sale of Assets, Number of Buyers     2    
Number of Company-owned Restaurants Agreed During the Period to Sell     8    
Disposal Group, Including Discontinued Operation, Consideration     $ 5,300    
Company-owned Restaurants Agreed to Sell, Number of Restaurants for Which Closing Requirements Were Satisfied     6    
Sale of Assets, Amount to Be Received, Holdback Until Transfer of All Remaining Restaurants     $ 1,000    
Sale of Assets, Number of Restaurants Remaining to Be Closed and Transferred to the Buyer     2    
Number of Restaurants Closed     6    
Number of Restaurants Sold       2  
Sale of Assets, Amount Received, Holdback Until Transfer of All Remaining Restaurants       $ 1,000  
Lime Fresh [Member] | Buyer of Lime Fresh Restuarants [Member]          
Proceeds from Sale of Property, Plant, and Equipment   $ 5,000      
Lime Fresh [Member] | Buyer of Lime Fresh Brand [Member]          
Disposal Group, Including Discontinued Operation, Consideration     $ 300    
Lime Fresh [Member] | Six Restaurants Meeting the Closing Requirements [Member]          
Disposal Group, Including Discontinued Operation, Consideration     5,000    
Lime Fresh [Member] | Pre-amendment [Member]          
Disposal Group, Including Discontinued Operation, Consideration     $ 6,000