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Commitments And Contingencies (Narrative) (Details) (USD $)
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0 Months Ended | 6 Months Ended | 12 Months Ended | 141 Months Ended | ||||||||||||||||||||
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Dec. 27, 2012
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Dec. 07, 2012
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Dec. 04, 2012
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Mar. 31, 2011
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Jan. 19, 2011
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Jun. 30, 2010
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Feb. 12, 2010
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Oct. 23, 2009
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Sep. 21, 2009
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Jun. 05, 2009
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Mar. 20, 2008
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Dec. 18, 2007
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May 13, 2006
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Dec. 02, 2005
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Aug. 08, 2005
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May 10, 2001
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Jun. 30, 2009
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2009
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Dec. 31, 2012
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Jul. 02, 2011
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Aug. 02, 2010
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Jun. 29, 2009
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| Total estimated costs incurred to provide research and development services | $ 19,705,682 | |||||||||||||||||||||||
| Amount paid to provide research and development services | 17,875,371 | |||||||||||||||||||||||
| License Costs | 431,099 | 546,027 | 100,000 | 2,532,104 | ||||||||||||||||||||
| One-time milestone payment | 1,000,000 | |||||||||||||||||||||||
| Letter of credit issued to lessor | 37,500 | 50,000 | 100,000 | |||||||||||||||||||||
| Shares issued | 2,083,333 | 19,130,435 | 8,333,333 | 2,334,515 | 6,666,667 | 300,000 | 6,072,383 | 3,102,837 | 2,857,143 | 642,858 | 4,857,159 | 3,850,000 | 650,000 | 4,175,000 | 3,600,000 | |||||||||
| Value of shares issued | 3,950,000 | 3,500,000 | 1 | |||||||||||||||||||||
| Proceeds promised to fund research and developement program | 926,000 | 2,000,000 | ||||||||||||||||||||||
| Employer matching contribution | 100.00% | |||||||||||||||||||||||
| Maximum percentage of employee's gross pay | 3.00% | |||||||||||||||||||||||
| Employer matching contribution on deferral | 50.00% | |||||||||||||||||||||||
| Percentage of employee's gross pay | 2.00% | |||||||||||||||||||||||
| Expense related to matching contribution | 65,686 | 66,162 | ||||||||||||||||||||||
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Maximum [Member]
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| Contract term, months | 36 months | 36 months | ||||||||||||||||||||||
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Minimum [Member]
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| Contract term, months | 2 months | 2 months | ||||||||||||||||||||||
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Executive Officer [Member]
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| Annual commitments to executives | 350,000 | |||||||||||||||||||||||
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Executive Officer Two [Member]
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| Annual commitments to executives | 250,000 | |||||||||||||||||||||||
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Executive Officer Three [Member]
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| Annual commitments to executives | 200,000 | |||||||||||||||||||||||
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Lab Space Rental [Member]
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| Rent expense, current | 54,648 | |||||||||||||||||||||||
| Montly rental committment | 4,554 | 4,554 | ||||||||||||||||||||||
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Office Space Rental [Member]
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| Rent expense, current | $ 158,835 | $ 148,593 | ||||||||||||||||||||||