Information about Products and Services (Detail) (Revenue, Product Concentration Risk)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
CEVA-X family
Revenue from External Customer [Line Items]
Percentage of total revenues	33.00%		39.00%		21.00%
CEVA TeakLite family
Revenue from External Customer [Line Items]
Percentage of total revenues	45.00%		38.00%		54.00%
CEVA Teak family
Revenue from External Customer [Line Items]
Percentage of total revenues		[1]		[1]	14.00%

[1] *) Less than 10%