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Fair Value Measurements (Details) (USD $)
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May 31, 2013
|
Aug. 31, 2012
|
|---|---|---|
| Tap Participation Fee liability | $ 70,685,795 | $ 68,269,176 |
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Fair Value, Inputs, Level 1 [Member]
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| Tap Participation Fee liability | ||
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Fair Value, Inputs, Level 2
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| Tap Participation Fee liability | ||
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Fair Value, Inputs, Level 3
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| Tap Participation Fee liability | 70,685,800 | |
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Fair Value
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| Tap Participation Fee liability | 70,685,800 | |
|
Cost/Other Value
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| Tap Participation Fee liability | 70,685,800 | |
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Total Unrealized Gain
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| Tap Participation Fee liability |