Interest in advance amount.

No definition available.

Name:	cnvs_InterestInAdvanceAmount
Namespace Prefix:	cnvs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum capped obligation loan amount.

+ References

No definition available.

+ Details

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Namespace Prefix:	cnvs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of royalties earned received by entitled.

+ References

No definition available.

+ Details

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Namespace Prefix:	cnvs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-SubTopic 10
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+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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+ Details

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

- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

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-SubTopic 10
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+ Details

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

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

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-SubTopic 10
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Data Type:	xbrli:dateItemType
Balance Type:	na
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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Topic 210
-SubTopic 10
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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+ Details

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

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

No definition available.

+ Details

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

- Details

Name:	srt_ProductOrServiceAxis=cnvs_TerrifierThreeFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=cnvs_EastWestBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt (Details) - USD ($)		3 Months Ended
Debt (Details) - USD ($)	Apr. 05, 2024	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Terrifier 3 Financing [Member]
Line of Credit Facility [Line Items]
Revolving line of credit	$ 3,666,000
Interest rate, stated percentage	1.44%
Credit facility expiration date	Apr. 01, 2025
Term loan balance, current		$ 3,103,000
Debt instrument other than interest in advance	$ 576,000
Terrifier 3 Financing [Member] \| Distribution Agreements [Member]
Line of Credit Facility [Line Items]
Percentage of royalties earned receive by entitled	15.00%
Received 1.75 times full commitment amount	$ 3,666,000
Terrifier 3 Financing [Member] \| Guaranty Agreement [Member]
Line of Credit Facility [Line Items]
Capped obligations amount	$ 1,500,000
East West Bank [Member]
Line of Credit Facility [Line Items]
Credit facility expiration date		Sep. 15, 2025
Unamortized issuance costs		$ 127,000
Revolving Credit Facility [Member] \| East West Bank [Member]
Line of Credit Facility [Line Items]
Revolving line of credit		$ 7,500,000		$ 7,500,000
Credit facility expiration date		Sep. 15, 2025
Outstanding amount of debt		$ 4,800,000
Unamortized issuance costs		127,000
Interest expense, including cash interest and amortization		$ 200,000	$ 200,000
Revolving Credit Facility [Member] \| East West Bank [Member] \| Prime Rate [Member]
Line of Credit Facility [Line Items]
Interest rate percentage over the prime rarte		1.50%
Interest rate, stated percentage		10.00%