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Note E - Accrued Liabilities (Tables)
3 Months Ended
Jul. 31, 2015
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
(In thousands)   July 31, 2015   April 30, 2015
Employee compensation   $ 4,918     $ 3,954  
Cash overdrafts (see Note B)     1,979       1,587  
Deferred sales tax (see Note B)     2,763       2,762  
Interest     -       230  
Other     4,436       4,175  
Total   $ 14,096     $ 12,708