STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Statement of Stockholders' Equity [Abstract]
Accumulated unrealized loss from available-for-sale securities, taxes	$ 41
Accumulated unrealized loss from hedging activities, taxes	$ 7

The tax effect from accumulated change, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

No definition available.

Name:	ceva_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTax
Namespace Prefix:	ceva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant