Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details)

v2.4.0.6
Fair Value of Financial Instruments (Details) (Fair Value, Measurements, Recurring [Member], USD $)
Aug. 31, 2012
Nov. 30, 2011
Assets and liabilities measured on a recurring basis    
Trading securities $ 57,321,502 $ 27,037,642
Other equity securities 19,529,783 41,856,730
Total Assets 76,851,285 68,894,372
Level 1 [Member]
   
Assets and liabilities measured on a recurring basis    
Trading securities 27,172,862 27,037,642
Total Assets 27,172,862 27,037,642
Level 2 [Member]
   
Assets and liabilities measured on a recurring basis    
Trading securities 30,148,640   
Other equity securities      
Total Assets 30,148,640   
Level 3 [Member]
   
Assets and liabilities measured on a recurring basis    
Other equity securities 19,529,783 41,856,730
Total Assets $ 19,529,783 $ 41,856,730