Intangible Assets (Tables)

12 Months Ended

Apr. 30, 2023

Disclosure of detailed information about intangible assets [abstract]

Summary of detailed information about intangible assets

	Developed technology			Brand name			Total
	US$			US$			US$
COST
At May 1, 2021		5,829			—			5,829
Additions		151			177			328
Exchange realignment		(67	)		(2	)		(69	)
At April 30, 2022		5,913			175			6,088
Reclassified as held for sale (note 15)		(5,773	)		—			(5,773	)
Exchange realignment		13			—			13
At April 30, 2023		153			175			328
AMORTIZATION
At May 1, 2021		625			—			625
Charge for the year		829			8			837
Exchange realignment		(14	)		—			(14	)
At April 30, 2022		1,440			8			1,448
Charge for the year		824			9			833
Reclassified as held for sale (note 15)		(2,268	)		—			(2,268	)
Exchange realignment		4			—			4
At April 30, 2023		—			17			17
CARRYING VALUES
At April 30, 2022		4,473			167			4,640
At April 30, 2023		153			158			311

Summary of intangible assets with indefinite useful life

The intangible assets are amortized on a straight-line basis as follows:

Developed technology	7 years
Brand name	20 years