Note 1 - Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jun. 06, 2017
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
2017
    
2016
  
   
Gross
Carrying
Amount
    
Accumulated
Amortization
    
Gross
Carrying
Amount
    
Accumulated
Amortization
  
                                 
Reacquired franchise rights
  
$
12,744
    
$
10,582
     $
14,096
     $
10,903
  
Favorable leases *
  
 
1,029
    
 
246
      
1,408
      
336
  
Trademarks
  
 
231
    
 
162
      
237
      
158
  
   
$
14,004
    
$
10,990
     $
15,741
     $
11,397
  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
2017
    
2016
    
2015
  
Net loss
  
$
(106,140
)
   $
(50,682
)
   $
(3,194
)
                         
Weighted average common shares outstanding
  
 
60,139
      
60,871
      
60,580
  
Dilutive effect of stock options and restricted stock
    
–
      
–
      
–
  
Weighted average common and dilutive potential
common shares outstanding
  
 
60,139
      
60,871
      
60,580
  
                         
Basic
loss per share
  
$
(1.76
)
   $
(0.83
)
   $
(0.05
)
Diluted loss per share
  
$
(1.76
)
   $
(0.83
)
   $
(0.05
)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   
2017
    
2016
    
2015
  
Stock options
  
 
2,242
      
2,407
      
3,057
  
Restricted stock / Restricted stock units
  
 
640
      
826
      
1,352
  
Total
  
 
2,882
      
3,233
      
4,409
  
Reclassification of Line Items Reported in Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) [Table Text Block]
   
As presented
–
Fiscal year ended
May 31, 2016
    
 
 
Reclassifications
    
As adjusted
–
Fiscal year ended
May 31, 2016
  
Selling, general, and administrative, net
   $
109,627
     $
(109,627
)
   $
–
  
General and administrative expenses
    
–
      
58,191
      
58,191
  
Marketing expenses, net
    
–
      
51,436
      
51,436
  
Closures and impairments, net
    
62,681
      
1,999
      
64,680
  
Trademark impairment
    
1,999
      
(1,999
)
    
–
  
   
As presented
–
Fiscal year ended
June 2, 2015
    
Reclassifications
    
As adjusted
–
Fiscal year ended
June 2, 2015
  
Selling, general, and administrative, net
   $
115,327
     $
(115,327
)
   $
–
  
General and administrative expenses
    
–
      
65,907
      
65,907
  
Marketing expenses, net
    
–
      
49,420
      
49,420
  
Reclassification of Line Items Reported in Balance Sheet [Table Text Block]
   
As presented
–
Fiscal year ended
May 31, 2016
    
Reclassifications
    
As adjusted
–
Fiscal year ended
May 31, 2016
  
Cash and cash equivalents
   $
67,341
     $
(377
)
   $
66,964
  
Restricted cash
    
 
      
377
      
377