Warrants (Summary Of Changes In Warrants Outstanding During The Period) (Details) (USD $)
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0 Months Ended | 1 Months Ended | 6 Months Ended | 12 Months Ended | ||||||
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Mar. 31, 2011
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Jun. 30, 2010
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Oct. 23, 2009
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Jun. 09, 2009
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Dec. 31, 2010
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Nov. 30, 2010
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May 31, 2010
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Jun. 30, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Warrants [Abstract] | ||||||||||
Number of warrants, Outstanding | 8,676,142 | 5,624,583 | ||||||||
Weigted average exercise price, Outstanding | $ 1.53 | $ 1.53 | $ 1.48 | |||||||
Number of warrants, Issued | 3,333,333 | 2,000,000 | 2,125,334 | 862,246 | 3,541,666 | |||||
Weighted average exercise price, Issued | $ 1.50 | |||||||||
Number of warrants, Exercised | 530,900 | 936,883 | 890,051 | (333,959) | ||||||
Weighted average exercise price, Exercised | $ (0.95) | |||||||||
Number of warrants, Expired | (156,148) | |||||||||
Weighted average exercise price, Expired | $ (0.82) | |||||||||
Number of warrants, Outstanding | 5,624,583 | 8,676,142 | 8,676,142 | 5,624,583 | ||||||
Weigted average exercise price, Outstanding | $ 1.53 | $ 1.53 | $ 1.48 |
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- Definition
Exercise price of the warrants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Investment Warrants, Exercised, Number No definition available.
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- Definition
Investment Warrants, Exercised, Weighted Average Exercise Price No definition available.
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- Definition
Investment Warrants, Expired, Number No definition available.
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- Definition
Investment Warrants, Expired, Weighted Average Exercise Price No definition available.
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- Definition
Investment Warrants, Issued, Number No definition available.
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- Definition
Investment Warrants, Issued, Weighted Average Exercise Price No definition available.
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- Definition
Aggregate amount of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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