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Note E - Accrued Liabilities (Tables)
6 Months Ended
Oct. 31, 2017
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
(In thousands)   October 31, 2017   April 30, 2017
         
Employee compensation   $
5,663
    $
5,406
 
Cash overdrafts (see Note B)    
2,848
     
669
 
Deferred sales tax (see Note B)    
3,147
     
2,894
 
Other    
5,444
     
4,827
 
                 
Total   $
17,102
    $
13,796