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Significant Accounting Policies (Details) (USD $)
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12 Months Ended | ||
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Nov. 30, 2012
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Nov. 30, 2011
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Nov. 30, 2010
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| Major components of net realized and unrealized gain on trading securities | |||
| Net unrealized gain on trading securities | $ 3,985,269 | $ 238,617 | $ 3,119,424 |
| Net realized gain on trading securities | 24,664 | 2,061,358 | (4,013,955) |
| Total net realized and unrealized gain (loss) on trading securities | $ 4,009,933 | $ 2,299,975 | $ (894,531) |
| X | ||||||||||
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- Definition
The sum of the realized and unrealized net gain (loss) on trading securities during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
This item represents the gain (loss) realized during the period from the sale of trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of trading securities held at each balance sheet date, that was included in earnings for the period. Trading securities are bought and held principally for the purpose of selling them in the near term (thus held for only a short period of time) and the change in net unrealized holding gain (loss) is included in earnings for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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