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Warrant Liability (Details 4) (USD $) | Jun. 30, 2012 | Mar. 31, 2012
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Summary of outstanding warrants and fair value of warrant liability |  |
Number Outstanding | 12,134,483 |
Fair value | $ 5,396,170 |
Series A Warrant [Member] |  |
Summary of outstanding warrants and fair value of warrant liability |  |
Number Outstanding | 10,700,000 | 8,900,000
Exercise Price | $ 1.40 |
Fair value | 5,390,018 |
Series B Warrant [Member] |  |
Summary of outstanding warrants and fair value of warrant liability |  |
Number Outstanding |  | 7,100,000
Warrants issued in 2008 [Member] |  |
Summary of outstanding warrants and fair value of warrant liability |  |
Number Outstanding | 1,034,483 |
Exercise Price | $ 23.00 |
Fair value | 1,552 |
Warrants issued in 2009 [Member] |  |
Summary of outstanding warrants and fair value of warrant liability |  |
Number Outstanding | 400,000 |
Exercise Price | $ 15.00 |
Fair value | $ 4,600 |

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- Definition Fair value of warrant. + References No definition available. + Details
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- Details
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- Definition Warrant exercise price. + References No definition available. + Details
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- Definition Warrants outstanding. + References No definition available. + Details
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