Leases (Tables)

12 Months Ended

Apr. 30, 2026

Presentation of leases for lessee [abstract]

Schedule of Future Minimum Lease Payments Related to Equipment under Finance Lease and Office Lease Obligation

The following is a schedule of the Company’s future minimum lease payments related to the equipment and automobiles under finance lease and the office lease obligation:


(in thousands)		$
2027			670
2028			670
2029			653
2030			605
2031			491
More than 5 years			1,295
Total minimum lease payments			4,384
Less: imputed interest			(858	)
Total present value of minimum lease payments			3,526
Less: Current portion			(457	)
Non-current portion			3,069

Schedule of Nature of Company's Leases Type of Right-of-Use Asset

The nature of the Company’s leases by type of right-of-use asset as of April 30, 2026, is as follows:


Right-of-use asset type		No. of right-of- use assets leased				Range of remaining term		Average remaining lease term		No. of leases with extension options				No. of leases with options to purchase				No. of leases with variable payments linked to an index				No. of leases with termination options
Lab and office facilities			3			2.7 - 7.7 years		5.6 years			1				—				3				3
Automobiles			9			2.2 - 4.4 years		3.3 years			—				—				9				9
Lab equipment			2			3.8-4.0 years		3.9 years			—				2				2				2

Schedule of Lease Payments Not Recognized Liability

The expense relating to payments not included in the measurement of the lease liability during the years ended April 30, 2026, 2025 and 2024 are as follows:


(in thousands)		2026 $				2025 $				2024 $
Leases of low value assets			21				21				7
Variable lease payments			466				567				467
			487				588				474