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Patents and Other Assets (Narrative) (Details) (USD $)
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12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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| Security deposits | $ 0 | $ 120,486 |
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Minimum [Member]
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| Estimated useful life of patents and other intangible assets | 17 years | |
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Maximum [Member]
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| Estimated useful life of patents and other intangible assets | 20 years | |
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Approximations [Member]
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| Capitalized costs for patents | 100,000 | 200,000 |
| Investment in patents | 600,000 | 500,000 |
| Security deposits | $ 100,000 | $ 100,000 |
| X | ||||||||||
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- Definition
Capitalized costs for patents No definition available.
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| X | ||||||||||
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- Definition
Amount after 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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| X | ||||||||||
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- Definition
Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
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- Definition
The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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