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Income Taxes (Schedule Of Deferred Tax Assets And Valuation Allowance) (Details) (USD $)
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Dec. 31, 2012
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Dec. 31, 2011
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| Income Taxes [Abstract] | ||
| Net Operating Loss Carryforwards | $ 24,094,200 | $ 21,603,700 |
| Stock option expense | 1,843,000 | 1,753,400 |
| Book tax differences on assets and liabilities | 352,500 | 348,600 |
| Valuation Allowance | $ (26,289,700) | $ (23,705,700) |
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- Definition
Deferred Tax Assets Book Tax Differences On Assets And Liabilities No definition available.
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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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- 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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- 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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- Details
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