Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Comprehensive Income (Parenthetical) (Unaudited)

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Consolidated Statements of Comprehensive Income (Parenthetical) (Unaudited) (USD $)
3 Months Ended 9 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Aug. 31, 2012
Aug. 31, 2011
Consolidated Statements of Comprehensive Income [Abstract]        
Unrealized holding (losses) gains, net of deferred tax (benefit) expense $ (48,244) $ 56,323 $ (144,836) $ 5,573
Reclassification adjustment for losses, net of deferred tax benefit $ 50,309 $ 0 $ 48,547 $ 325