Income Taxes (Details Narrative) - USD ($)	3 Months Ended	12 Months Ended
Apr. 30, 2023	Apr. 30, 2022	Jan. 31, 2022
Change in valuation allowance	$ 3,600,000.0		$ 3,600,000
Deferred tax benefits	$ (176,000)	$ (424,000)
China Social Taxes [Member]
Tax rate	21.00%
Deferred tax benefits	$ 200,000
Federal tax statutory rate	32.90%
2023 Plan [Member]
Effective tax rates	20.20%
Tax rate	21.00%
2024 Plan [Member]
Effective tax rates	29.10%
Tax rate	21.00%

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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