SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2014

SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Schedule of Annual Depreciation Rates

	Percentage
Computers and peripheral equipment	20 – 33 (mainly 33)
Office furniture and equipment	10 – 20 (mainly 15)
Leasehold improvements	Over the shorter of the related lease period or the life of the asset

Summary of Fair Value Assumptions

	2014		2013		2012
Dividend yield		0%		0%		0%
Expected volatility		61%		69%		127%
Risk-free interest		1.24%		1.03%		0.56%
Expected life (in years)		4		4		4