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NOTE 10. FAIR VALUE ACCOUNTING (Tables)
 12 Months Ended
Nov. 30, 2015
Fair Value Disclosures [Abstract]  
Fair value of financial instruments
    Fair value at November 30, 2015  
    Total     Level 1     Level 2     Level 3  
Assets:                        
Marketable equity securities   $ 571     $ 571     $ —     $ —  
                                 
    Fair value at November 30, 2014  
    Total     Level 1     Level 2     Level 3  
Assets:                                
Marketable equity securities   $ 901     $ 901     $ —     $ —