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v3.23.2

Basis of Presentation, Business Description and Summary of Significant Accounting Policies (Details Textual) | 12 Months Ended
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May 31, 2023 | May 31, 2023 segment | May 31, 2023 unit | May 31, 2022 unit
Business Acquisition [Line Items] |  |  |  |
Maturity period | less than three months |  |  |
Period of recognition for costs not yet recognized (years) | 2 years |  |  |
Number of reporting units |  | 2 |  | 1
Number of operating segments |  | 2 | 2 | 1
Employee Stock Option |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Period of recognition for costs not yet recognized (years) | 4 years |  |  |
Restricted Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Period of recognition for costs not yet recognized (years) | 3 years |  |  |
Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Accounts receivables period due | 30 days |  |  |
Estimated useful life of intangible assets other than goodwill (years) | 2 years |  |  |
Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Accounts receivables period due | 90 days |  |  |
Estimated useful life of intangible assets other than goodwill (years) | 18 years |  |  |
Building and building improvements | Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life (years) | 4 years |  |  |
Building and building improvements | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life (years) | 39 years |  |  |
Computer software and equipment | Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life (years) | 2 years |  |  |
Computer software and equipment | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life (years) | 5 years |  |  |
Machinery and equipment | Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life (years) | 5 years |  |  |
Machinery and equipment | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life (years) | 8 years |  |  |
Placement and evaluation units |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life (years) | 5 years |  |  |

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