Leases (Tables)

12 Months Ended

Apr. 30, 2025

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)		$
2026			2,695
2027			2,692
2028			2,685
2029			2,366
2030			1,682
More than 5 years			4,514
Total minimum lease payments			16,634
Less: imputed interest			(3,231	)
Total present value of minimum lease payments			13,403
Less: Current portion			(1,850	)
Non-current portion			11,553

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, 2025 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			3.7 - 8.7 years		6.6 years			1				—				3				3
Automobiles			4			1.7 - 4.5 years		3.7 years			—				—				4				4
Lab equipment			1			4.8 years		4.8 years			—				1				1				1

Schedule of Changes in the Value of Right-of-Use Assets

The changes in the value of right-of-use assets during the years ended April 30, 2025 and 2024 are as follows:


(in thousands)		Building $				Automobile $				Lab Equipment $				Total $
Cost:
Balance, April 30, 2023			9,085				167				—				9,252
Additions			7,826				1				—				7,827
Disposals			(1,634	)			—				—				(1,634	)
Foreign exchange			(133	)			(3	)			—				(136	)
Balance, April 30, 2024			15,144				165				—				15,309
Additions			210				207				578				995
Disposals			—				(99	)			—				(99	)
Foreign exchange			820				18				—				838
Balance, April 30, 2025			16,174				291				578				17,043

Accumulated Depreciation:
Balance, April 30, 2023			1,752				57				—				1,809
Depreciation			1,723				56				—				1,779
Disposals			(1,606	)			—				—				(1,606	)
Foreign exchange			(38	)			(1	)			—				(39	)
Balance, April 30, 2024			1,831				112				—				1,943
Depreciation			1,922				67				13				2,002
Disposals			—				(99	)			—				(99	)
Foreign exchange			158				7				—				165
Balance, April 30, 2025			3,911				87				13				4,011

Net Book Value:
April 30, 2024			13,313				53				—				13,366
April 30, 2025			12,263				204				565				13,032

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, 2025, 2024 and 2023 are as follows:


(in thousands)		2025 $				2024 $				2023 $
Leases of low value assets			21				7				40
Variable lease payments			567				467				215
			588				474				255