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Leases (Tables) | 3 Months Ended
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Jul. 31, 2025
Leases [Abstract] |
Schedule of Assets And Liabilities | Financing lease assets (lab equipment) and lease liabilities related to our current financing leases are as follows (in thousands):
| July 31, 2025 | April 30, 2025
Financing lease net asset | $ | 182 |  | $ | 220 |
Current portion of financing lease liabilities | 116 |  | 60 |
Non-current portion of financing lease liabilities | 66 |  | 160 |
ROU assets and lease liabilities related to our current operating leases are as follows (in thousands):
| July 31, 2025 | April 30, 2025 |
Operating lease right-of-use assets, net | $ | 4,771 |  | $ | 5,080 |  |
Current portion of operating lease liabilities | 1,506 |  | 1,471 |  |
Non-current portion of operating lease liabilities | 4,244 |  | 4,634 |  |
Schedule of Future Operating Lease Payments | Future minimum lease payments due each fiscal year as follows (in thousands):
2026 (remaining) | $ | 2,221 |
2027 | 2,922 |
2028 | 2,871 |
2029 | 2,391 |
Thereafter | — |
Total undiscounted liabilities | 10,405 |
Less: Imputed interest | (4,655) |
Present value of minimum lease payments | $ | 5,750 |
Schedule of Lease Cost | The composition of total lease cost for three months ended July 31, 2025 and 2024 were as follows (in thousands):
|  | Three Months Ended July 31, |  |
|  | 2025 |  | 2024 |  |  |  |
| Operating lease costs | $ | 441 |  |  | $ | 429 |  |  |  |  |
| Financing lease costs: |  |  |  |  |  |  |
| Amortization of leased assets | 38 |  |  | 37 |  |  |  |  |
| Interest on lease liabilities | 2 |  |  | 3 |  |  |  |  |
| Total lease costs | $ | 481 |  |  | $ | 469 |  |  |  |  |

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- Definition Assets And Liabilities, Lessee [Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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