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Shareholders' Equity (Details) (USD $) | 0 Months Ended | 6 Months Ended |  | 1 Months Ended | 6 Months Ended | 0 Months Ended | 1 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 11, 2012 | Jun. 30, 2012 | Dec. 31, 2011 | Apr. 30, 2012 Underwriting Offering [Member] | Mar. 31, 2012 Underwriting Offering [Member] | Jun. 30, 2012 Common Stock [Member] | May 11, 2012 Private Placement [Member] | Jun. 30, 2012 Private Placement [Member] | Feb. 29, 2012 Private Placement [Member] | Mar. 31, 2012 Five Year Warrants [Member] Underwriting Offering [Member]
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Private Placement |  |  |  |  |  |  | $ 1,300,000 | $ 350,000 | $ 2,250,000 |
Common Stock, Shares, Issued |  | 137,619,903 | 109,329,587 |  |  |  | 3,250,000 |  | 3,465,404 |
Stock Issued During Period, Shares, New Issues |  |  |  | 2,000,000 | 15,000,000 | 24,533,586 |  | 818,182 |  |
Common Stock, Par or Stated Value Per Share |  | $ 0.001 | $ 0.001 |  | $ 0.40 |  | $ 0.40 |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance |  |  |  |  |  |  |  |  |  | $ 0.51
Proceeds from Issuance of Common Stock Gross |  |  |  | 800,000 | 6,000,000 |  |  |  |  |
Proceeds from Issuance of Common Stock Net |  |  |  | $ 744,000 | $ 5,297,000 |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Gross |  | 1,577,021 |  |  |  |  |  |  |  |
Class of Warrant or Right, Date from which Warrants or Rights Exercisable | $ 0.51 |  |  |  |  |  |  |  |  |

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