Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details 1)

Fair Value of Financial Instruments (Details 1) (USD $)
9 Months Ended
Aug. 31, 2012
Aug. 31, 2011
The changes for all Level 3 assets measured at fair value on a recurring basis using significant unobservable inputs    
Fair value beginning balance $ 41,856,730 $ 72,929,409
Total realized and unrealized (losses) gains included in net income 15,467,845 3,655,464
Purchases   11,490,789
Sales (35,919,672) (32,734,818)
Return of capital adjustments impacting cost of basis securities (1,875,120) (861,917)
Fair value ending balance 19,529,783 54,478,927
The amount of total gains (losses) for the period included in net income attributable to the change in unrealized gains (losses) relating to assets still held at the reporting date which are included in net realized and unrealized gain on other equity securities within the statement of income $ 15,467,845 $ 3,655,464