Income Taxes (Schedule Of Deferred Tax Assets And Valuation Allowance) (Details) - USD ($) |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Income Taxes [Abstract] | ||
| Net Operating Loss Carryforwards | $ 35,805,000 | $ 43,526,000 |
| Stock Compensation Expense | 1,458,000 | 1,968,000 |
| Book tax differences on assets and liabilities | 365,000 | 547,000 |
| Valuation Allowance | (37,628,000) | (46,041,000) |
| Net Deferred Tax Assets |
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- Definition Deferred Tax Assets Book Tax Differences On Assets And Liabilities No definition available.
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- Definition Amount after 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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- 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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- References No definition available.
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