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Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands | Apr. 30, 2024 | Apr. 30, 2023
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 16,112 | $ 15,816
Less: Accumulated depreciation and amortization | (10,391) | (8,630)
Property and equipment, net | $ 5,721 | $ 7,186
Finance lease, right-of-use asset, statement of financial position [Extensible Enumeration] | Property and equipment, net | Property and equipment, net
Furniture and fixtures |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 246 | $ 246
Computer equipment and software |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 2,152 | 2,102
Laboratory equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 11,506 | 10,390
Capitalized software development costs |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 1,888 | 1,888
Assets in progress |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 3 | 1,079
Leasehold improvements |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 317 | $ 111

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