Accretion and accrued interest on convertible debentures

No definition available.

Name:	gpvrf_AccretionAndAccruedInterestOnConvertibleDebentures
Namespace Prefix:	gpvrf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Convertible debt, conversion price per share

+ References

No definition available.

+ Details

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Namespace Prefix:	gpvrf_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents fair value of share purchase warrants granted.

+ References

No definition available.

+ Details

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Namespace Prefix:	gpvrf_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of shares issued as bonus shares for entering a loan

+ References

No definition available.

+ Details

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Namespace Prefix:	gpvrf_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Loans closed

+ References

No definition available.

+ Details

Name:	gpvrf_LoansClosed
Namespace Prefix:	gpvrf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents about number of share purchase warrants granted.

+ References

No definition available.

+ Details

Name:	gpvrf_NumberOfSharePurchaseWarrantsGranted
Namespace Prefix:	gpvrf_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of bonus shares for entering loan

+ References

No definition available.

+ Details

Name:	gpvrf_ValueOfBonusSharesForEnteringLoan
Namespace Prefix:	gpvrf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Value of common shares and warrants issued to lenders

+ References

No definition available.

+ Details

Name:	gpvrf_ValueOfCommonSharesAndWarrantsIssuedToLenders
Namespace Prefix:	gpvrf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
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-URIDate 2025-03-27

+ Details

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Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- 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:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The non-current portion of non-current notes and debentures issued. [Refer: Notes and debentures issued]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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-IssueDate 2025-01-01
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-URIDate 2025-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of notes and debentures issued by the entity.

+ References

+ Details

Name:	ifrs-full_NotesAndDebenturesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The weighted average exercise price of other equity instruments (ie other than share options) granted in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard
-URIDate 2025-03-27

+ Details

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Data Type:	dtr-2022:perShareItemType
Balance Type:	na
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- Details

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- Details

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- Details

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Data Type:	na
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- Details

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- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=gpvrf_LenderTwoMember
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Convertible Debentures (Narrative) (Details) - USD ($)		8 Months Ended
Convertible Debentures (Narrative) (Details) - USD ($)	Jan. 06, 2026	Jan. 12, 2026	Mar. 31, 2026	Jan. 22, 2026	Mar. 31, 2025
Disclosure of detailed information about borrowings [Line Items]
Convertible debentures			$ 5,654,279		$ 0
Countryman Investments Ltd [Member]
Disclosure of detailed information about borrowings [Line Items]
Number of warrants granted		5,423,319
Convertible debentures [Member]
Disclosure of detailed information about borrowings [Line Items]
Convertible debentures				$ 7,000,000
Interest rate per annum				12.00%
Conversion price per share				$ 0.99
Loans closed	$ 5,000,000
Value of common shares and warrants issued to lenders	$ 1,000,000
Accretion and accrued interest			227,407
Convertible debentures			$ 5,654,279
Convertible debentures [Member] \| Countryman Investments Ltd [Member]
Disclosure of detailed information about borrowings [Line Items]
Convertible debentures				$ 3,459,000
Convertible debentures [Member] \| FWP Acquisition Corp [Member]
Disclosure of detailed information about borrowings [Line Items]
Convertible debentures				3,432,945
Convertible debentures [Member] \| Koko Financial Services Inc [Member]
Disclosure of detailed information about borrowings [Line Items]
Convertible debentures				$ 108,045
Convertible debentures [Member] \| Lender one [Member]
Disclosure of detailed information about borrowings [Line Items]
Number of warrants granted	3,205,128
Exercise price of warrants granted	$ 0.78
Fair value of warrants granted	$ 500,000
Convertible debentures [Member] \| Lender two [Member]
Disclosure of detailed information about borrowings [Line Items]
Number of bonus shares for entering loan	641,025
Value of bonus shares for entering loan	$ 500,000