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Note 4 - Sale of Intrinsix Corp. (Details Textual) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Sep. 14, 2023	Jun. 30, 2025	Sep. 30, 2025	Sep. 30, 2024
Proceeds from Divestiture of Businesses			$ 3,470	$ 540
Intrinsix Corp. [Member]
Disposal Group, Including Discontinued Operation, Consideration	$ 35,000
Disposal Group, Including Discontinued Operation, Consideration, Amount in Escrow Held for Indemnification Obligations	$ 3,500
Disposal Group, Including Discontinued Operation, Consideration Held in Escrow Account, Term (Month)	18 months
Disposal Group, Including Discontinued Operation, Consideration, Amount Released From Escrow		$ 3,470
Proceeds from Divestiture of Businesses		$ 3,470

X

- Definition

Amount held for indemnification obligations.

+ References

No definition available.

+ Details

Name:	ceva_DisposalGroupIncludingDiscontinuedOperationConsiderationAmountInEscrowHeldForIndemnificationObligations
Namespace Prefix:	ceva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount released from escrow for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	ceva_DisposalGroupIncludingDiscontinuedOperationConsiderationAmountReleasedFromEscrow
Namespace Prefix:	ceva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Duration of consideration held in escrow account for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	ceva_DisposalGroupIncludingDiscontinuedOperationConsiderationHeldInEscrowAccountTerm
Namespace Prefix:	ceva_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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

X

- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

+ Details

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

X

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=ceva_IntrinsixCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: