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-Topic 230
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Income Taxes - Income Taxes Paid (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Income Tax Examination [Line Items]
Federal	$ 0
State	209
Foreign	629
Income Taxes Paid, Net, Total	838	$ 920	$ 975
Texas
Income Tax Examination [Line Items]
State	197
Other
Income Tax Examination [Line Items]
State	12
France
Income Tax Examination [Line Items]
Foreign	104
Mexico
Income Tax Examination [Line Items]
Foreign	434
Netherlands
Income Tax Examination [Line Items]
Foreign	90
Other Foreign
Income Tax Examination [Line Items]
Foreign	$ 1