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Stockholders' Equity (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stockholders Equity [Line Items]      
Total $ 2,331,401 $ 1,610,845 $ 3,333,099
Research and Development Expense [Member]
     
Stockholders Equity [Line Items]      
Total 932,200 655,303 1,727,042
General and Administrative Expense [Member]
     
Stockholders Equity [Line Items]      
Total $ 1,399,201 $ 955,542 $ 1,606,057