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Commitments and Contingencies
3 Months Ended
Jul. 31, 2021
Commitments And Contingencies Disclosure [Abstract]  
Commitments and Contingencies

(11) Commitments and Contingencies:

Litigation

From time to time, we are involved in lawsuits, claims, investigations, and proceedings, including those relating to product liability, intellectual property, commercial relationships, employment issues, and governmental matters, which arise in the ordinary course of business.  

For the three months ended July 31, 2021 and 2020, respectively, we did not incur any material expenses in defense and administrative costs relative to product liability litigation. In addition, we did not encounter any settlement fees related to product liability cases in those fiscal years.