XML 44 R22.htm IDEA: XBRL DOCUMENT v2.4.1.9
Organization and Summary of Significant Accounting Policies (Tables)
9 Months Ended
Jan. 31, 2015
Organization, Consolidation and Presentation Of Financial Statements [Abstract]  
Schedule of levels of fair value measurements of investments
      As of January 31, 2015  
($ in thousands)
 
Level 1
   
Level 2
   
Level 3
   
Total
 
Cash equivalents
  $ 5,005     $ -     $ -     $ 5,005  
Securities available-for-sale
    9,200       -       -       9,200  
    $ 14,205     $ -     $ -     $ 14,205  
 
    As of April 30, 2014  
($ in thousands)
 
Level 1
   
Level 2
   
Level 3
   
Total
 
Cash equivalents
  $ 5,482     $ -     $ -     $ 5,482  
Securities available-for-sale
    9,226       -       -       9,226  
    $ 14,708     $ -     $ -     $ 14,708