| 
           Share-Based Compensation - Stock Options and Warrants (Detail) - Schedule of warrants outstanding activity 
         | 
        9 Months Ended | 
|---|---|
| 
           Mar. 31, 2013 
         | 
      |
| Outstanding as of June 30, 2012 | 20,940,796 | 
| Granted | 100,000 | 
| Outstanding as of March 31, 2013 | 21,040,796 | 
| Exercisable as of March 31, 2013 | 21,040,796 | 
| X | ||||||||||
| 
             
- Definition 
          Share based compensation arrangement by share based payment award non option equity instruments exercisable number No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Net number of non-option equity instruments granted to participants. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Number of shares reserved for issuance under non-option equity instrument agreements awarded that validly exist and are outstanding, including vested instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  |