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Shareholders' Equity Warrants Issued for Services (Details) (USD $) Share data in Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010
Warrants Issued [Line Items] |  |
Number of Common Stock Purchase Warrants Issued | 670,000 | 627,000
Warrants Issued During Period, Value | $ 495,100 | $ 772,200

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- Details
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