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Note I - Stock-based Compensation - Stock Option Plan Comparison (Details) | 3 Months Ended
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Jul. 31, 2024 shares
Minimum Exercise Price as a Percentage of Fair Market Value at Date of Grant | 100.00%
Last expiration date for outstanding options | May 09, 2034
Shares available for grant at July 31, 2022 (in shares) | 90,233

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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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- Definition Date the equity-based award expires, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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