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Stock-Based Incentive Plan (Tables)
12 Months Ended
Jun. 30, 2013
Stock-Based Incentive Plan  
Summary of information regarding outstanding Stock Options and Incentive Warrants and the changes during the fiscal year

  Number of Stock
Options and
Incentive Warrants
  Weighted
Average
Exercise
Price
  Aggregate
Intrinsic Value(1)
  Weighted
Average
Remaining
Contractual
Term (in
years)
 

Stock Options and Incentive Warrants outstanding at July 1, 2012

    5,372,820   $ 1.83              

Granted

                     

Exercised

    (550,000 ) $ 0.47              

Cancelled or forfeited

                     

Expired

                     
                       

Stock Options and Incentive Warrants outstanding at June 30, 2013

    4,822,820   $ 1.99   $ 43,020,890     2.6  
                   

Vested or expected to vest at June 30, 2013

    4,822,820   $ 1.99   $ 43,020,890     2.6  
                   

Exercisable at June 30, 2013

    4,822,820   $ 1.99   $ 43,020,890     2.6  
                   

(1)
Based upon the difference between the market price of our common stock on the last trading date of the period ($10.91 as of June 30, 2013) and the Stock Option or Incentive Warrant exercise price of in-the-money Stock Options and Incentive Warrants.
Summary of the status of unvested Stock Options and Incentive Warrants and the changes during the year
 
  Number of
Stock Options
and Incentive
Warrants
  Weighted
Average
Grant-Date
Fair Value
 

Unvested at July 1, 2012

    18,922   $ 2.45  

Granted

         

Vested

    (18,922 ) $ 2.45  
           

Unvested at June 30, 2013

      $  
           
Schedule of Restricted Stock transactions

  Number of
Restricted
Shares
  Weighted
Average
Grant-Date
Fair Value
 

Unvested at July 1, 2012

    452,600   $ 5.16  

Granted

    211,197   $ 7.88  

Vested

    (277,198 ) $ 5.15  
           

Unvested at June 30, 2013

    386,599   $ 6.65