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Revenue Recognition (Tables)
6 Months Ended
Oct. 31, 2022
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 October 31, 2022 and October 31, 2021 is as follows (in thousands):
Three Months Ended
 October 31, 2022October 31, 2021
 DomesticInternationalTotalDomesticInternationalTotal
Over Time$36,374 $16,573 $52,947 $28,450 $9,097 $37,547 
Point in Time1,617 — 1,617 1,484 — 1,484 
Total$37,991 $16,573 $54,564 $29,934 $9,097 $39,031 
Six Months Ended
 October 31, 2022October 31, 2021
 DomesticInternationalTotalDomesticInternationalTotal
Over Time$71,727 $29,228 $100,955 $57,102 $18,927 $76,029 
Point in Time3,732 — 3,732 2,495 — 2,495 
Total$75,459 $29,228 $104,687 $59,597 $18,927 $78,524