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v3.23.2

Note K - Stock-based Compensation Plans - Stock Option Plan Comparison (Details) | 12 Months Ended
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Apr. 30, 2023 shares
Statement [Line Items] |
Minimum exercise price as a percentage of fair market value at date of grant | 100.00%
Last expiration date for outstanding options | Feb. 20, 2033
Shares available for grant at April 30, 2023 (in shares) | 260,000

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- Definition Minimum exercise price of stock options as a percentage of fair market value at date of grant. + References No definition available. + Details
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