Per unit fair value of a cryptocurrency or other digital asset held by the entity as of the reporting date,

No definition available.

Name:	devs_CryptoAssetFairValuePerUnit
Namespace Prefix:	devs_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of cryptocurrency units earned through staking or validation activities during the reporting period.

+ References

No definition available.

+ Details

Name:	devs_CryptoAssetNumberOfUnitsEarnedFromStaking
Namespace Prefix:	devs_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of cryptocurrency or digital asset units held by the entity at the reporting date.

+ References

No definition available.

+ Details

Name:	devs_CryptoAssetNumberOfUnitsHeld
Namespace Prefix:	devs_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Income earned by locking cryptocurrency assets to provide validation services that support and secure a blockchain network.

+ References

No definition available.

+ Details

Name:	devs_StakingIncome
Namespace Prefix:	devs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

+ Details

Name:	us-gaap_CryptoAssetHoldingLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-SubTopic 210
-Topic 954
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477220/954-210-45-5

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-8

+ Details

Name:	us-gaap_RestrictedCashNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	srt_CryptoAssetAxis=devs_BitcoinMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CryptoAssetAxis=devs_SolanaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CryptoAssetAxis=devs_USDCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Cryptocurrencies (Details)	3 Months Ended		6 Months Ended
Cryptocurrencies (Details)	Jan. 31, 2026 USD ($) BITCOIN SOLANA USDC $ / item	Jan. 31, 2025 USD ($)	Jan. 31, 2026 USD ($) BITCOIN SOLANA USDC $ / item	Jan. 31, 2025 USD ($)	Jul. 31, 2025 USD ($)
Cryptocurrencies [Abstract]
Cash held in bitgo account (in Dollars)	$ 1,279,900		$ 1,279,900		$ 6,405,000
Staking income earned (in Dollars)	$ 25,911	$ 0	$ 40,245	$ 0
Bitcoin [Member]
Cryptocurrencies [Abstract]
Quantity of cryptocurrency held \| BITCOIN	22.229041		22.229041
Fair value of cryptocurrency per unit \| $ / item	78,621.12		78,621.12
Staking income earned (in Dollars)			$ 0
Solana [Member]
Cryptocurrencies [Abstract]
Quantity of cryptocurrency held \| SOLANA	12,371.78		12,371.78
Fair value of cryptocurrency per unit \| $ / item	105.44		105.44
Cryptocurrency earned from staking (in SOLANA) \| SOLANA			260.8
Staking income earned (in Dollars)			$ 40,245
USDC [Member]
Cryptocurrencies [Abstract]
Quantity of cryptocurrency held \| USDC	99.959976		99.959976
Fair value of cryptocurrency per unit \| $ / item	1		1
Staking income earned (in Dollars)			$ 0