SHAREHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2015

SHAREHOLDERS' EQUITY [Abstract]

Summary of Fair Value Weighted Average Assumptions

	Six months ended June 30,
	2015		2014
	Unaudited
Risk free interest	1.20	%	1.16	%
Dividend yields	0	%	0	%
Volatility	54	%	63	%
Expected life (in years)	4		4

Schedule of Stock Option Activity

	Number of options (in thousands)		Weighted Average exercise Price (per share)		Weighted- average remaining contractual term (in years)		Aggregate intrinsic value (1)
	Unaudited
Outstanding at December 31, 2014		1,889	$	6.53		3.97	$	8,148
Granted		269		12.9
Exercised		(268)		(2.55)
Forfeited		(29)		(9.1)
Outstanding at June 30, 2015		1,861	$	7.99		4.09	$	9,592
Exercisable at June 30, 2015		862	$	5.17		2.79	$	6,823
Vested and expected to vest at June 30, 2015		1,772	$	7.86		4.03	$	9,359

(1)
Calculation of aggregate intrinsic value for options outstanding and exercisable as of June 30, 2015 is based on the share price of the Company's ordinary shares as of June 30, 2015 which was $13.07 per share.

Schedule of Stock-Based Compensation Expense

	Six months ended June 30,
	2015		2014
	Unaudited
Research and development	$	221	$	191
Selling and marketing		446		298
General and administrative		304		188
Total stock-based compensation expense	$	971	$	677