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Fair Value Measurements (Narrative) (Details) (USD $)
6 Months Ended 0 Months Ended 6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2012
Common Stock Closes Above $15.00 [Member]
Jun. 30, 2012
Common Stock Closes Above $20.00 [Member]
Jun. 30, 2012
Black-Scholes Model Used to Value Warrants [Member]
May 10, 2012
Monte-Carlo Simulation Used To Value Derivative Assets And Liabilities [Member]
Jun. 30, 2012
Monte-Carlo Simulation Used To Value Derivative Assets And Liabilities [Member]
Jun. 30, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements [Line Items]                
Cash equivalents invested in money market funds $ 2,805,529 $ 55,629            
Issued warrants to purchase shares of common stock 6,099,476             1,792,408
Fair value of warrants issued 13,145              
Dividend yield         0.00%      
Volatility rate         77.00% 80.00% 80.00%  
Risk-free interest rate         0.41% 1.035% 1.035%  
Expected life         2 years      
Closing stock price           $ 0.3413 $ 0.21  
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