Deferred Tax Liability - Summary of Deferred Tax Liability Recognized and Movements (Detail) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Disclosure Detailed Information of Deferred Tax Liability [Line Items]
Opening balance	$ 735	$ 885
Credit to profit or loss (note 11)	(140)	(141)	$ (106)
Reclassified as liabilities associated with assets classified as held for sale (note 15)	(599)
Exchange realignment	4	(9)
Ending balance	$ 0	$ 735	$ 885

Deferred tax liability reclassified held for sale.

No definition available.

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- Definition

Disclosure detailed information of deferred tax liability. Line Item.

+ References

No definition available.

+ Details

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- Definition

The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2022-03-24
-Paragraph 81
-Subparagraph g
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2022-03-24

+ Details

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- Definition

The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Deferred tax liability (asset)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2022-03-24
-Paragraph 81
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81&doctype=Standard
-URIDate 2022-03-24

+ Details

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- Definition

The amount of components of deferred tax expense or income that the entity does not separately disclose in the same statement or note. [Refer: Deferred tax expense (income)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2022-03-24
-Paragraph 80
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_80&doctype=Standard
-URIDate 2022-03-24

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