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Note 8 - Notes Payable and Bank Credit Facility - Real Estate Notes Payable and Bank Debt (Details) - USD ($)
$ in Thousands
Aug. 25, 2018
Nov. 25, 2017
Real estate notes payable $ 436 $ 3,734
Less current portion (436) (3,405)
Total long-term notes payable 329
Principal Balance $ 436 3,747
Unamortized Discount   (13)
Principal Balance, less current portion   (3,418)
Unamortized discount, current portion   13
Principal Balance, excluding current portion   329
Unamortized discount, noncurrent portion  
Zenith Note Payable [Member]    
Real estate notes payable   2,987
Principal Balance   3,000
Unamortized Discount   (13)
Real Estate Notes Payable [Member]    
Real estate notes payable   747
Principal Balance   747
Unamortized Discount