Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Income Tax Disclosure [Abstract]
Income tax (benefit) provision	$ 155,000	$ (118,000)	$ 311,000	$ 129,000
Unrecognized tax benefits	$ 11,600,000		11,600,000
Interest expense or penalties related to unrecognized tax benefits			$ 0

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

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+ Details