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Revenue Recognition (Tables)
3 Months Ended
Jul. 31, 2023
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
A summary of net sales transferred to customers over time and at a point in time for the periods ended July 31, 2023 and July 31, 2022 is as follows (in thousands):
Three Months Ended
 July 31, 2023July 31, 2022
 DomesticInternationalTotalDomesticInternationalTotal
Over Time$33,904 $14,419 $48,323 $35,353 $12,655 $48,008 
Point in Time1,516 — 1,516 2,115 — 2,115 
Total$35,420 $14,419 $49,839 $37,468 $12,655 $50,123