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Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (Parenthetical) (USD $)
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3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
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May 31, 2012
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May 31, 2011
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May 31, 2012
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May 31, 2011
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| Consolidated Statements of Comprehensive Income (Loss) [Abstract] | ||||
| Deferred tax benefit (expense) | $ 13,743 | $ (98,354) | ||
| Deferred tax (expense) from unrealized gains | $ (11,468) | $ (50,425) | ||