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Research and Development Costs (Narrative) (Details) (Approximations [Member], USD $)
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3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Approximations [Member]
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| Research and development costs | $ 600,000 | $ 500,000 | $ 1,300,000 | $ 1,000,000 |
| Consulting agreement monthly payments | $ 10,000 | |||
| X | ||||||||||
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- Definition
Consulting agreement monthly payments No definition available.
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| X | ||||||||||
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- Definition
Research and development costs No definition available.
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