XML 102 R47.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements (Narrative) (Details) (USD $)
6 Months Ended 0 Months Ended 6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
May 10, 2012
May 10, 2012
Common Stock Closes Above $15.00 [Member]
May 10, 2012
Common Stock Closes Above $20.00 [Member]
Jun. 30, 2013
Black-Scholes Model Used to Value Warrants [Member]
May 10, 2012
Monte-Carlo Simulation Used To Value Derivative Assets And Liabilities [Member]
Jun. 30, 2013
Monte-Carlo Simulation Used To Value Derivative Assets And Liabilities [Member]
Dec. 29, 2008
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurements [Line Items]                  
Cash equivalents invested in money market funds $ 21,663 $ 256,702              
Issued warrants to purchase shares of common stock 6,204,274               179,241
Fair value of warrants issued 6,999                
Dividend yield           0.00%      
Volatility rate           111.01% 80.00% 95.00%  
Risk-free interest rate           0.66% 1.035% 1.357%  
Expected life           1 year      
Closing stock price             $ 3.4130 $ 1.55  
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