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Leases (Tables)

3 Months Ended

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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Assets And Liabilities, Lessee [Text Block]

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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

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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

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