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Note 9 - Income Taxes (Details) - Deferred Income Taxes (USD $)
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Dec. 31, 2012
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Dec. 31, 2011
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|---|---|---|
| Deferred income tax assets (liabilities): | ||
| Property and equipment | $ (54,443) | $ (144,185) |
| Deferred revenue | 246,740 | 1,517,024 |
| Accrued expenses | 288,338 | 1,138,800 |
| Share based compensation related | 1,094,927 | 451,557 |
| Other | 546,636 | 275,650 |
| Net operating loss carryforwards | 19,816,443 | 18,509,210 |
| 21,938,641 | 21,748,056 | |
| Less valuation allowance | $ (21,938,641) | $ (21,748,056) |
| 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 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 temporary differences and 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 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 share-based compensation. 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 accrued liabilities. 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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| X | ||||||||||
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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