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v3.22.2.2

Leases - Additional Information (Detail) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2022 USD ($) | Jul. 31, 2022 USD ($) Facility | Oct. 31, 2021 USD ($) | Oct. 31, 2022 USD ($) | Oct. 31, 2021 USD ($)
Lessee Lease Description [Line Items] |  |  |  |  |
Operating lease expense | $ 1.0 |  | $ 0.9 | $ 2.8 | $ 2.5
Weighted-average remaining lease term – operating leases | 2 years 10 months 6 days |  |  | 2 years 10 months 6 days |
Weighted-average discount rate – operating leases | 3.59% |  |  | 3.59% |
Extended Operating Lease [Member] |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |
Increase to operating lease right-of-use assets (ROU) |  | $ 0.8 |  |  |
Increase to operating lease liabilities |  | $ 0.8 |  |  |
Shenzhen Operating Lease [Member] | Extended Operating Lease [Member] |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |
Inception date |  | Oct. 01, 2022 |  |  |
Expiration date |  | Sep. 30, 2024 |  |  |
Lease term |  | 2 years |  |  |
Santa Clara Operating Lease [Member] | Extended Operating Lease [Member] |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |
Inception date |  | Oct. 01, 2022 |  |  |
Expiration date |  | Sep. 30, 2024 |  |  |
Lease term |  | 2 years |  |  |
Number of lease facility | Facility |  | 1 |  |  |
Italy [Member] | Office Lease [Member] |  |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |  |
Reduction to ROU assets | $ 0.2 |  |  |  |
Reduction to operating lease liabilities | $ 0.2 |  |  |  |

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- Definition Date which lease or group of leases is set to expire, in YYYY-MM-DD format. + References No definition available. + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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