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5. Income Taxes (Details) (USD $)
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Dec. 31, 2012
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Dec. 31, 2011
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| Deferred tax assets: | ||
| Federal net operating loss carryforward | $ 13,493,553 | $ 12,213,000 |
| Other | 538,936 | 687,000 |
| Patent amortization | (7,707) | (13,000) |
| Deferred tax assets before valuation | 14,024,782 | 12,887,000 |
| Valuation allowance | (14,024,782) | (12,887,000) |
| Net deferred income tax assets | $ 0 | $ 0 |
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- Details
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital 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 and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 other deductible loss carryforwards not separately disclosed. 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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- Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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