Statements of Changes in Stockholders' Equity (Parentheticals) $ in Thousands	Dec. 31, 2019 USD ($)
Accumulated unrealized loss from available-for-sale securities, taxes	$ 5
Accumulated unrealized loss from hedging activities, taxes	$ 7

Represents the tax effect of the 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 or Decrease in deferred hedging gains or losses.

No definition available.

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