XML 48 R40.htm IDEA: XBRL DOCUMENT v3.25.3

Commitments and Contingencies (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025 USD ($) Lease	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) Lease	Sep. 30, 2024 USD ($)
Commitments and Contingencies (Details) [Line Items]
Sublease term	2025-01
Rental expense | $	$ 74	$ 117	$ 123	$ 233
Income related to subleasing arrangement | $	$ 0	$ 46	$ 0	$ 92
Domestic Operating Lease
Commitments and Contingencies (Details) [Line Items]
Number of operating lease | Lease	1		1
India Operations
Commitments and Contingencies (Details) [Line Items]
Number of operating lease | Lease	3		3
Lease expiration	2027-07

X

- Definition

Commitmentsand Contingencies Details Line Items

+ References

No definition available.

+ Details

Name:	cnvs_CommitmentsandContingenciesDetailsLineItems
Namespace Prefix:	cnvs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lessee operating lease expiration year and month.

+ References

No definition available.

+ Details

Name:	cnvs_LesseeOperatingLeaseExpirationYearAndMonth
Namespace Prefix:	cnvs_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lessee operating sublease term.

+ References

No definition available.

+ Details

Name:	cnvs_LesseeOperatingSubleaseTerm
Namespace Prefix:	cnvs_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of operating lease.

+ References

No definition available.

+ Details

Name:	cnvs_NumberOfOperatingLease
Namespace Prefix:	cnvs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-4

+ Details

Name:	us-gaap_OperatingLeaseExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_SubleaseIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_IN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: