Stockholders’ Equity - Schedule of Activities of Stock Options (Details) - $ / shares	3 Months Ended	12 Months Ended
Jul. 31, 2026	Apr. 30, 2026
Schedule of Activities of Stock Options [Abstract]
Number of Stock Options, Outstanding	93,000
Exercise Price, Outstanding	$ 1.61
Weighted Average Remaining Contractual Term in Years, Outstanding	7 years 11 months 23 days	8 years 2 months 23 days
Number of Stock Options, Exercisable	31,000
Exercise Price, Exercisable	$ 1.61
Weighted Average Remaining Contractual Term in Years, Exercisable	7 years 11 months 23 days	8 years 2 months 23 days
Number of Stock Options, Granted
Exercise Price, Granted
Number of Stock Options, Exercised
Exercise Price, Exercised
Number of Stock Options, Forfeited
Exercise Price, Forfeited
Number of Stock Options, Expired
Exercise Price, Expired
Number of Stock Options, Outstanding	93,000	93,000
Exercise Price, Outstanding	$ 1.61	$ 1.61
Weighted Average Remaining Contractual Term in Years, Outstanding	7 years 11 months 23 days	8 years 2 months 23 days
Number of Stock Options, Exercisable	62,000	31,000
Exercise Price, Exercisable	$ 1.61	$ 1.61
Weighted Average Remaining Contractual Term in Years, Exercisable	7 years 11 months 23 days	8 years 2 months 23 days

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted-average contractual term remaining for vested portion of option outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Weighted-average contractual term remaining for option award outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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