Balance Sheet Components - Depreciation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2026	Apr. 30, 2025
Property, Plant, and Equipment [Line Items]
Total depreciation expense	$ 1,290	$ 1,516
Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense
Property, Plant, and Equipment [Line Items]
Depreciation, nonproduction	141	181
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Property, Plant, and Equipment [Line Items]
Depreciation, nonproduction	441	572
Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense
Property, Plant, and Equipment [Line Items]
Depreciation, nonproduction	307	310
Subscription \| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Property, Plant, and Equipment [Line Items]
Cost of subscription revenues	92	108
Professional services and other \| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold
Property, Plant, and Equipment [Line Items]
Cost of subscription revenues	$ 309	$ 345

Amount of expense for allocation of cost of tangible asset over its useful life directly used in production of good and rendering of service.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

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