Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Details)

v2.4.0.6
Earnings Per Share (Details) (USD $)
3 Months Ended 12 Months Ended
Nov. 30, 2012
Aug. 31, 2012
May 31, 2012
Feb. 28, 2012
Nov. 30, 2011
Aug. 31, 2011
May 31, 2011
Feb. 28, 2011
Nov. 30, 2012
Nov. 30, 2011
Nov. 30, 2010
Computation of basic and diluted earnings per share                      
Net Income $ (363,588) $ 4,988,508 $ 1,976,760 $ 5,747,041 $ (1,564,778) $ 590,639 $ 2,783,012 $ 1,113,270 $ 12,348,721 $ 2,922,143 $ 14,666,874
Basic and diluted weighted average shares(1)                 9,182,425 9,159,809 9,107,070
Basic and diluted earnings per share $ (0.04) $ 0.54 $ 0.21 $ 0.63 $ (0.17) $ 0.07 $ 0.30 $ 0.12 $ 1.34 $ 0.32 $ 1.61