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Common Stock (Summary Of Allocation Of Proceeds From Offering) (Details) (USD $)
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0 Months Ended | |||||||||||
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Jul. 26, 2013
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Dec. 10, 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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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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| Common Stock [Abstract] | ||||||||||||
| Gross Proceeds: | $ 5,700,000 | $ 7,260,000 | $ 750,000 | $ 7,260,000 | $ 10,000,000 | $ 3,926,397 | $ 10,000,000 | $ 5,000,000 | $ 3,371,340 | $ 3,000,000 | $ 900,001 | $ 6,800,023 |
| Allocated to Warrant liabilities | 1,406,441 | 2,637,216 | 2,924,333 | 1,980,880 | 1,114,627 | 3,451,194 | 190,917 | 1,392,476 | ||||
| Less: Warrants allocated to placement agent | (110,489) | (163,096) | (97,667) | (180,080) | (101,693) | (122,257) | (138,326) | |||||
| Alliocated to Put feature on common stock | 553,569 | 4,401,169 | ||||||||||
| Total allocated to liabilities | 1,295,952 | 2,474,120 | 2,826,666 | 1,800,800 | 1,012,934 | 3,328,937 | 744,486 | 5,655,319 | ||||
| Allocated to Common stock and additional paid-in capital | 4,404,048 | 4,785,880 | 7,173,334 | 8,199,200 | 3,987,066 | 155,515 | 1,144,704 | |||||
| Allocated to financing expense | (112,559) | (332,108) | (97,667) | (180,080) | (101,693) | (122,257) | (138,326) | |||||
| Allocated to Derivative loss at inception | $ (328,937) | |||||||||||