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Note 10 - Income Taxes (Detail) - Significant Components of Deferred Tax Assets (USD $)
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Aug. 31, 2012
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Aug. 31, 2011
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|---|---|---|
| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 5,948,300 | $ 5,259,200 |
| Imputed interest on Tap Participation Fee | 8,852,500 | 7,558,000 |
| Deferred revenue | 560,700 | 702,000 |
| Impairment charges | 2,408,800 | |
| Depreciation and depletion | 2,425,700 | 301,600 |
| Other | 45,000 | 38,900 |
| Valuation allowance | $ (20,241,000) | $ (13,859,700) |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from imputed interest on tap participation fee. No definition available.
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated impairment losses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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