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

Amount of contractual obligation, minimum advance royalty, to be paid in next fiscal year following current fiscal year.

No definition available.

Name:	devs_ContractualObligationMinimumAdvanceRoyaltyToBePaidInYearOne
Namespace Prefix:	devs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation, minimum advance royalty, to be paid in third fiscal year following current fiscal year.

No definition available.

Name:	devs_ContractualObligationMinimumAdvanceRoyaltyToBePaidInYearThree
Namespace Prefix:	devs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation, minimum advance royalty, to be paid in second fiscal year following current fiscal year.

No definition available.

Name:	devs_ContractualObligationMinimumAdvanceRoyaltyToBePaidInYearTwo
Namespace Prefix:	devs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation, minimum advance royalty, to be paid from year four onwards in order to avoid termination of contract.

No definition available.

Name:	devs_MinimumRoyaltyAdvanceToBePaidToAvoidTerminationOfContractFromYearFour
Namespace Prefix:	devs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The period for completing the business combination agreement in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	devs_PeriodForClosingOfBusinessCombinationAgreement
Namespace Prefix:	devs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_LongtermPurchaseCommitmentPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Number of pending claims pertaining to a loss contingency.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

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

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

No definition available.

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	us-gaap_TypeOfArrangementAxis=devs_StrategicPartnershipAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=devs_DevvioIncorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_TypeOfArrangementAxis=devs_AmendedStrategicPartnershipAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_TypeOfArrangementAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=devs_GreenlinesTechnologyIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: