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Income Taxes (Schedule Of Deferred Tax Assets And Valuation Allowance) (Details) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Income Taxes [Abstract] | ||
| Net Operating Loss Carryforwards | $ 26,924,000 | $ 24,094,200 |
| Stock option expense | 2,028,200 | 1,843,000 |
| Book tax differences on assets and liabilities | 424,000 | 352,500 |
| Valuation Allowance | $ (29,376,200) | $ (26,289,700) |