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Summary of Significant Accounting Policies - Going Concern and Management's Plan (Details) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Accounting Policies [Abstract]          
Accumulated deficit $ (20,887,363)   $ (20,887,363)   $ (18,130,784)
Net loss (1,839,389) (589,956) (2,756,579) (1,247,223) (3,978,592)
Gross proceeds expected from issuance of stock in public offering     $ 5,000,000