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Note E - Accrued Liabilities
 9 Months Ended
Jan. 31, 2012
Other Liabilities Disclosure [Text Block]
E – Accrued Liabilities

A summary of accrued liabilities is as follows:

   
January 31,
   
April 30,
(In thousands)
 
2012
   
2011
 
             
Compensation
  $ 3,809     $ 4,203  
Cash overdraft
    1,370       -  
Deferred service contract revenue
    3,104       2,970  
Deferred sales tax
    1,818        1,684  
Interest
    215        117  
Other
    2,366       2,375  
    $ 12,682     $ 11,349