Segment Reporting - Summary of Significant Segment Expense Included in Consolidated Net Loss (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 31, 2026 |
Apr. 30, 2026 |
Jul. 31, 2025 |
Apr. 30, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
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| Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items] | ||||||
| Total revenue | $ 108,125 | $ 95,511 | $ 208,482 | $ 181,383 | ||
| Less cost and expense: | ||||||
| Product cost | 45,709 | 39,280 | 87,477 | 73,616 | ||
| Employee-related | 32,856 | 32,066 | 68,117 | 63,525 | ||
| Stock-based compensation | 22,700 | 25,188 | 44,593 | 51,318 | ||
| Semiconductor development cost | 9,695 | 7,829 | 18,412 | 14,601 | ||
| Tools & equipment | 8,097 | 7,361 | 14,480 | 15,427 | ||
| Professional services | 4,602 | 3,804 | 8,290 | 7,491 | ||
| Facilities-related | 3,061 | 2,886 | 5,855 | 5,548 | ||
| Other segment items | (8,017) | 823 | (6,326) | 1,779 | ||
| Interest income | (2,181) | (2,194) | (4,385) | (4,354) | ||
| Net loss | (6,689) | $ (18,093) | (19,995) | $ (24,328) | (24,782) | (44,323) |
| Product [Member] | ||||||
| Less cost and expense: | ||||||
| Product cost | $ 44,001 | $ 37,743 | $ 84,228 | $ 70,371 | ||
| X | ||||||||||
- Definition Facility-related expenses including utilities, lease expense, office insurance and other general office expenses. No definition available.
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- Definition Semiconductor development cost. No definition available.
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses. No definition available.
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- Definition Amount of interest income from interest-earning asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense for professional and contracted services. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of other expense (income) and loss (gain) calculated as difference between segment revenue and separately disclosed expense category to arrive at segment profit (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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