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INCOME TAXES (Narrative) (Details) - CAD ($)	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Major components of tax expense (income) [abstract]
Applicable tax rate	26.50%	26.50%
Non-capital losses carry-forwards	$ 43,742,000
Canadian development and exploration expenditures	$ 35,250,000	$ 35,250,000

X

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2024-03-27

+ Details

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Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract
Namespace Prefix:	ifrs-full_
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X

- Definition

The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_e&doctype=Standard
-URIDate 2024-03-27

+ Details

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X

- Definition

Represents the Canadian development and exploration expenditures.

+ References

No definition available.

+ Details

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Namespace Prefix:	ztek_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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