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EXPLORATION AND EVALUATION PROPERTY (Disclosure of exploration and evaluation property) (Details) - CAD ($) | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Disclosure of exploration and evaluation [line items] |  |
Opening Balance | $ 7,271,857 |
Ending Balance | 7,455,071 | $ 7,271,857
Albany Property [Member] |  |
Disclosure of exploration and evaluation [line items] |  |
Opening Balance | 7,271,857 | 7,000,000
Expenditures capitalized | 183,214 | 271,857
Ending Balance | $ 7,455,071 | $ 7,271,857

X
- Definition The amount of assets arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2024-01-01 -Paragraph 24 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2024-en-r&anchor=para_24_b&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The amount of expense arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2024-01-01 -Paragraph 24 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2024-en-r&anchor=para_24_b&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | ztek_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=ztek_AlbanyPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |