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Intangible and Other Assets, Net
9 Months Ended
Jan. 31, 2012
Intangible and Other Assets [Abstract]  
Intangible and Other Assets [Text Block]
(6)           Intangible and Other Assets, Net
 
Intangible and other assets, net consist of the following (in thousands):
 
   
January 31, 2012
   
April 30, 2011
 
   
Cost
   
Accumulated
Amortization
   
Cost
   
Accumulated
Amortization
 
                         
Software development costs
  $ 1,964     $ 1,854     $ 1,964     $ 1,675  
Deferred order entry costs
    1,394       -       1,785       -  
Prepaid expenses
    3,014       -       3,252       -  
Customer contracts and relationships
    15,000       6,300       15,000       5,362  
Other
    1,681       713       1,695       541  
    $ 23,053     $ 8,867     $ 23,696     $ 7,578  
 
Software development costs include internal and external costs of the development of new or enhanced software programs and are generally amortized over five years.  Deferred order entry costs represent costs incurred in connection with the data entry of customer subscription information to database files and are charged directly to operations generally over a twelve month period.  Customer contracts and relationships are amortized on a straight line basis over twelve years.