| 
           Commitments and Contingencies - Additional Information (Detail) 
         | 
        0 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|
| 
           May 30, 2013
 
          USD ($) 
         | 
        
           May 30, 2013
 
          ILS 
         | 
        
           Jun. 30, 2014
 
          USD ($) 
         | 
        
           Jun. 30, 2013
 
          USD ($) 
         | 
      |
| Loss Contingencies [Line Items] | ||||
| Rental expense for continuing operations | $ 136,000 | $ 123,000 | ||
| Class action lawsuit filed | $ 5,300,000 | 19,200,000 | ||
| X | ||||||||||
| 
             
- Definition 
          Amount of bankruptcy claim filed with bankruptcy court. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  |