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Fair Value Measurements (Narrative) (Details) (USD $)
9 Months Ended 0 Months Ended 9 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2012
Common Stock Closes Above $15.00 [Member]
Sep. 30, 2012
Common Stock Closes Above $20.00 [Member]
Sep. 30, 2012
Black-Scholes Model Used to Value Warrants [Member]
May 10, 2012
Monte-Carlo Simulation Used To Value Derivative Assets And Liabilities [Member]
Sep. 30, 2012
Monte-Carlo Simulation Used To Value Derivative Assets And Liabilities [Member]
Sep. 30, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements [Line Items]                
Cash equivalents invested in money market funds $ 100,159 $ 55,629            
Issued warrants to purchase shares of common stock               179,241
Fair value of warrants issued 114,174              
Dividend yield         0.00%      
Volatility rate         95.00% 80.00% 85.00%  
Risk-free interest rate         0.31% 1.035% 0.747%  
Expected life         1 year 9 months      
Closing stock price           $ 3.4130 $ 1.43  
Mandatory conversion percentage per Debentures agreement     50.00% 100.00%        
Share price which determines conversion per Debentures agreement     $ 15.00 $ 20.00        
Number of consecutive trading days required at stock price       20 days        
Mandatory conversion minimum per Debentures agreement $ 2,500,000