Represents the number of warrant liability outstanding & exercisable.

No definition available.

Name:	deft_NumberOfWarrantLiabilityOutstandingAndExercisable
Namespace Prefix:	deft_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the warrant liability, exercise price.

+ References

No definition available.

+ Details

Name:	deft_WarrantLiabilityExercisePrice
Namespace Prefix:	deft_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the expiration term of warrant liability.

+ References

No definition available.

+ Details

Name:	deft_WarrantLiabilityExpirationTerm
Namespace Prefix:	deft_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	deft_WarrantLiabilityLineItems
Namespace Prefix:	deft_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

No definition available.

+ Details

Name:	deft_WarrantLiabilityMeasurementInputs
Namespace Prefix:	deft_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the weighted average life of the outstanding warrants.

+ References

No definition available.

+ Details

Name:	deft_WeightedAverageLifeOfTheOutstandingWarrants
Namespace Prefix:	deft_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

The nominal value of capital arising from issuing ordinary shares. [Refer: Issued capital]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 78
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard
-URIDate 2025-03-27

+ Details

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

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 106
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_NumberOfSharesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of warrant liabilities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

+ Details

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

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=deft_SharePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=deft_ExercisePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=deft_RiskFreeInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=deft_ExpectedVolatilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=deft_ExpectedLifeyrsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=deft_ExpectedDividendYieldMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Warrant Liability (Details)	Dec. 31, 2025 USD ($)	Sep. 26, 2025 USD ($)	Sep. 25, 2025 USD ($) years $ / shares shares	Jun. 11, 2024 shares
Warrant Liability [Line Items]
Warrants issued (in Shares) \| shares			34,246,577
Common shares (in Shares) \| shares			0.75	26,996,392
Exercise price (in Dollars per share) \| $ / shares			$ 2.63
Warrant liability, expiration term			3 years
Fair value of warrant liability (in Dollars) \| $	$ 13,599,316	$ 4,123,753	$ 53,241,889
Allocated common shares value (in Dollars) \| $			$ 46,758,112
Weighted average life of the outstanding warrants	2 years 9 months
Share Price [Member]
Warrant Liability [Line Items]
Warrants liability, measurement inputs			2.125
Exercise Price [Member]
Warrant Liability [Line Items]
Warrants liability, measurement inputs			2.63
Risk-Free Interest Rate [Member]
Warrant Liability [Line Items]
Warrants liability, measurement inputs			3.66
Expected Volatility [Member]
Warrant Liability [Line Items]
Warrants liability, measurement inputs			131.5
Expected Life (yrs) [Member]
Warrant Liability [Line Items]
Warrants liability, measurement inputs \| years			3
Expected Dividend Yield [Member]
Warrant Liability [Line Items]
Warrants liability, measurement inputs			0