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Warrant Liability (Details 3) (USD $) | 3 Months Ended
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Jun. 30, 2012
Summary of changes in fair value of warrant liability |
Number of warrants, ending balance | 12,134,483
Series A Warrant [Member] |
Summary of changes in fair value of warrant liability |
Number of warrants, beginning balance | 8,900,000
Fair Value of warrant liability, beginning balance | $ 6,234,984
Number of warrants issued | 1,800,000
Fair value of warrants issued | 1,106,618
Number of warrants, changes in fair value at period end |
Fair value, changes in fair value at period end | (1,951,584)
Fair Value of warrant liability, ending balance | 5,390,018
Number of warrants, ending balance | 10,700,000
Series B Warrant [Member] |
Summary of changes in fair value of warrant liability |
Number of warrants, beginning balance | 7,100,000
Fair Value of warrant liability, beginning balance | 4,769,140
Number of warrants exercised | (1,800,000)
Fair value of warrants exercised | (527,799)
Fair Value of warrants expired | (3,560,063)
Number of warrants expired | (5,300,000)
Number of warrants, changes in fair value at period end |
Fair value, changes in fair value at period end | (681,278)
Fair Value of warrant liability, ending balance |
Number of warrants, ending balance |

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- Definition Warrants exercised. + References No definition available. + Details
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