Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Income Tax Disclosure [Abstract]
Income tax (benefit) provision	$ (118,000)	$ 438,000	$ 129,000	$ 763,000
Unrecognized tax benefits	$ 12,800,000		12,800,000
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