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The market price per warrant option granted.

No definition available.

Name:	vmar_ClassOfWarrantOrRightMarketPriceOfWarrantsOrRights
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Data Type:	dtr-types:perShareItemType
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Original exercise price per share or per unit of warrants or rights outstanding before revision.

No definition available.

Name:	vmar_ClassOfWarrantOrRightOriginalExercisePriceOfWarrantsOrRights
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Weighted average remaining contractual life of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	vmar_ClassOfWarrantOrRightWeightedAverageRemainingContractualLife
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The option life of warrant options granted.

No definition available.

Name:	vmar_ExpectedLifeWarrantOptionsGranted
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The expected volatility of the share price used to calculate the fair value of the warrant options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

No definition available.

Name:	vmar_ExpectedVolatilityWarrantOptionsGranted
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Exercise price per share or per unit of warrants or rights outstanding.

No definition available.

Name:	vmar_IfrsClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
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Number of warrants or rights outstanding.

No definition available.

Name:	vmar_NumberOfWarrantsOutstanding
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The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for warrantoptions granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]

No definition available.

Name:	vmar_RiskFreeInterestRateWarrantOptionsGranted
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Name:	vmar_GrantDateAxis=vmar_GrantDateScenario20September2023Member
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Name:	vmar_GrantDateAxis=vmar_GrantDateScenarioJanuary142025Member
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