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Note 10 - Real Estate Notes Payable and Bank Debt (Details) - USD ($)
$ in Thousands
Nov. 28, 2015
Nov. 29, 2014
Zenith Note Payable [Member]    
Principal Balance $ 9,000  
Unamortized Discount (312)  
Long-term Debt 8,688  
Real Estate Notes Payable [Member]    
Principal Balance 2,933 $ 2,218
Long-term Debt 2,933 2,218
Transportation Equipment Notes Payable [Member]    
Principal Balance 2,152  
Long-term Debt 2,152  
Principal Balance 14,085  
Unamortized Discount (312)  
Long-term Debt 13,773  
Principal Balance (5,477) (316)
Unamortized Discount 204  
Net Carrying Amount (5,273) (316)
Principal Balance 8,608 1,902
Unamortized Discount (108)  
Net Carrying Amount $ 8,500 $ 1,902