| 
           STOCKHOLDERS's EQUITY - Employee Option Grants and Non-employee Option Grants (Detail) (USD $) 
         | 
        3 Months Ended | |
|---|---|---|
| 
           Sep. 30, 2014 
         | 
        
           Sep. 30, 2013 
         | 
      |
| Total stock-based compensation expense | $ 51,000 | $ 23,000 | 
| 
           Research and Development Expense [Member] 
         | 
        ||
| Total stock-based compensation expense | 3,000 | (1,000) | 
| 
           General and Administrative Expense [Member] 
         | 
        ||
| Total stock-based compensation expense | $ 48,000 | $ 24,000 | 
| X | ||||||||||
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- Definition 
          Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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