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Summary of Significant Accounting Policies (Details 2) (USD $)
0 Months Ended 0 Months Ended
Jun. 11, 2013
Dec. 19, 2008
Dec. 19, 2008
Common Stock
May 15, 2013
Preferred Stock
May 09, 2012
Preferred Stock
Dec. 19, 2008
Preferred Stock
Class of Stock [Line Items]            
Number of shares issued           30,255
Par value of share issued (in dollars per share)           $ 1,000
Term of warrants   10 years        
Number of common shares called per warrant     287,133      
Number of shares redeemed       18,255 12,000  
Repurchase price of warrant $ 540,000          
Repurchase price of warrant (in dollars per share) $ 1.88