Annual report pursuant to Section 13 and 15(d)

Earnings (Loss) Per Share - Schedule of Earnings (Loss) Per Share (Detail)

v2.4.0.6
Earnings (Loss) Per Share - Schedule of Earnings (Loss) Per Share (Detail) (USD $)
3 Months Ended 12 Months Ended
Nov. 30, 2012
Aug. 31, 2012
May 31, 2012
Feb. 29, 2012
Nov. 30, 2011
Aug. 31, 2011
May 31, 2011
Feb. 28, 2011
Nov. 30, 2012
Nov. 30, 2011
Nov. 30, 2010
Schedule Of Computation Of Basic And Diluted Earnings Per Common Share [Line Items]                      
Net income (loss) available for common shareholders $ (352,929) $ 428,747 $ 302,100 $ 87,534 $ (3,433) $ 399,294 $ (247,268) $ 343,105 $ 465,452 $ 491,698 $ (1,664,760)
Weighted average common shares outstanding- Basic                 7,054,442 7,054,442 7,054,442
Net effect of dilutive stock options                         
Weighted average common shares and common shares equivalents-Diluted                 7,054,442 7,054,442 7,054,442
Basic earnings(loss) per share $ (0.05) $ 0.06 $ 0.04 $ 0.01 $ 0.00 $ 0.06 $ (0.04) $ 0.05 $ 0.07 $ 0.07 $ (0.24)
Diluted earnings (loss) per share $ (0.05) $ 0.06 $ 0.04 $ 0.01 $ 0.00 $ 0.06 $ (0.04) $ 0.05 $ 0.07 $ 0.07 $ (0.24)