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Accounts Payable, Net and Accrued Expenses (Tables)
9 Months Ended
Jan. 31, 2013
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Accounts payable, net and accrued expenses consist of the following (in thousands):
 
   
January 31,
 2013
   
April 30,
2012
 
Publisher payables, net
  $ 71,572     $ 75,982  
Accrued expenses
    4,398       3,527  
Trade payables
    1,595       2,042  
Other
    4,056       4,169  
    $ 81,621     $ 85,720