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Derivative Financial Instruments (Warrant Liability) (Tables)
3 Months Ended
Sep. 30, 2013
Derivative Financial Instruments Warrant Liability Tables  
Schedule of fair value inputs of derivative financial instruments

The change in fair value of the June 2012 Warrants is recorded in the statement of operations and comprehensive income and is estimated using the Lattice option-pricing model using the following assumptions:

 

                 
   Exercise   Exercise   Exercise     
Inputs into Lattice model for warrants:  7/2/2013   7/12/2013   7/29/2013   9/30/2013 
Equivalent Volatility   81.42%   81.69%   80.95%   79.69%
Equivalent Interest Rate   0.43%   0.44%   0.41%   0.32%
Estimated stock price  $1.2686   $1.4351   $1.5195   $1.0633 
Floor  $1.1500   $1.1500   $1.1500   $1.1500 
Greater of estimated stock price or floor  $1.2600   $1.2600   $1.2600   $1.1500 
Probability price < Strike   72.70%   69.88%   68.12%   76.19%
FV of put  $0.8238   $0.7919   $0.7541   $0.7418 
Probability of Fundamental Transaction occuring   5%   5%   5%   5%
Schedule of Level 3 inputs measured on a recurring basis

The following table summarizes the activity of Level 3 inputs measured on a recurring basis for the quarter ended September 30, 2013:

 

   Warrant Liability 
Fair value, June 30, 2013  $1,102,021 
Exercise of common stock warrants   (277,070)
Change in fair value of warrant liability   18,952 
Fair value, September 30, 2013  $843,903