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 fiscal years ended April 30, 2021, 2020, and 2019, 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.

Employment Agreements — We have employment, severance, and change of control agreements with certain officers and managers.

Other Agreements — We have distribution agreements with various third parties in the ordinary course of business.

The following summarizes our operating leases for office and/or manufacturing space:

Location of Lease	Expiration Date
Wilsonville, Oregon	October 31, 2022
Shenzhen, China	August 31, 2023
Columbia, Missouri (1)	April 30, 2023
Chicopee, Massachusetts	May 31, 2025
Columbia, Missouri	December 31, 2038