Quarterly report pursuant to Section 13 or 15(d)

Short-Term Investments and Marketable Securities-Fair Value (Details)

v2.4.0.8
Short-Term Investments and Marketable Securities-Fair Value (Details) (USD $)
Aug. 31, 2014
Nov. 30, 2013
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities $ 0 $ 1,112,440
Limited partnership
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities 0 354,050
Common stock
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities 0 758,390
(Level 1)
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities 0 1,112,440
(Level 1) | Limited partnership
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities 0 354,050
(Level 1) | Common stock
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities   758,390
(Level 2)
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities 0 0
(Level 2) | Limited partnership
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities 0 0
(Level 2) | Common stock
    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities   $ 0