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Note 9 - Real Estate Notes Payable and Bank Debt (Details) - USD ($)
$ in Thousands
Aug. 27, 2016
Nov. 28, 2015
Zenith Note Payable [Member]    
Principal Balance $ 6,000 $ 9,000
Unamortized Discount (154) (312)
Long-term Debt 5,846 8,688
Transportation Equipment Notes Payable [Member]    
Principal Balance 6,787 2,152
Long-term Debt 6,787 2,152
Real Estate Notes Payable [Member]    
Principal Balance 1,447 2,933
Long-term Debt 1,447 2,933
Principal Balance 14,234 14,085
Unamortized Discount (154) (312)
Long-term Debt 14,080 13,773
Principal Balance, less current portion (5,125) (5,477)
Unamortized discount, current portion 122 204
Net Carrying Amount, less current portion (5,003) (5,273)
Principal Balance, excluding current portion 9,109 8,608
Unamortized discount, noncurrent portion (32) (108)
Net Carrying Amount, noncurrent $ 9,077 $ 8,500