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Note 6 - Real Estate Notes Payable and Bank Credit Facility (Details) (USD $)
In Thousands, unless otherwise specified
Aug. 30, 2014
Nov. 30, 2013
Note 6 - Real Estate Notes Payable and Bank Credit Facility (Details) [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 6.73%  
Real Estate Investment Property, Net $ 6,390 $ 10,435
Secured Debt, Current 293 279
Secured Long-term Debt, Noncurrent 2,245 2,467
Loans Payable, Fair Value Disclosure 2,498 2,684
Line of Credit Facility, Maximum Borrowing Capacity 15,000  
Letters of Credit Outstanding, Amount 216  
Line of Credit Facility, Remaining Borrowing Capacity 14,784  
Financed Through Commercial Mortgages [Member]
   
Note 6 - Real Estate Notes Payable and Bank Credit Facility (Details) [Line Items]    
Real Estate Investment Property, Net $ 6,161 $ 6,262