Note 3 - Mitchell's Restaurants (Details) - Sale of Mitchell's Restaurants (Mitchell's Restaurants [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 28, 2014
Dec. 28, 2014
Sep. 28, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Selling price $ 10,000 $ 10,000 $ 10,000
Reduction of deferred rent liability 4,869    
Assets sold      
Property and equipment, net (8,910)    
Inventory (952)    
Other liabilities incurred (350)    
Selling costs (965)    
Loss on pending sale (1,825) (1,825)  
Inventory 952 952  
Property and equipment, net 8,775 8,775  
Total assets held for sale 15,119 15,119  
Deferred rent liability 4,869 4,869  
Total liabilities associated with assets held for sale 4,869 4,869  
Trademarks [Member]      
Assets sold      
Intangible assets (2,847)    
Intangible assets 2,847 2,847  
Other Intangible Assets [Member]      
Assets sold      
Intangible assets (2,670)    
Intangible assets $ 2,545 $ 2,545