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Leases - Supplemental Statement of Operations Information (Details) - USD ($) $ in Thousands | 3 Months Ended
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Aug. 31, 2023 | Aug. 31, 2022
Lessee, Lease, Description [Line Items] |  |
Non-cash lease expense | $ 627 | $ 669
Cost of sales |  |
Lessee, Lease, Description [Line Items] |  |
Non-cash lease expense | 197 | 219
Research and development |  |
Lessee, Lease, Description [Line Items] |  |
Non-cash lease expense | 58 | 51
Sales and marketing |  |
Lessee, Lease, Description [Line Items] |  |
Non-cash lease expense | 40 | 39
General and administrative |  |
Lessee, Lease, Description [Line Items] |  |
Non-cash lease expense | $ 332 | $ 360

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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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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Period Type: | duration

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- Details
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- Details
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- Details
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