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Derivative Warrant Liability (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Derivative Warrant Liability (Textual)    
Common stock shares purchasable by warrants outstanding 840,454  
Change in fair value of derivative liability $ 96,800 $ 216,000
Description of warrants expiration date June 2013