EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Schedule of calculation of basic and diluted net income (loss) per share

	Years Ended December 31,
	2014		2013		2012
Numerator:
Net income	$	8,190	$	1,789	$	31,704
Less: Undistributed earnings allocated to participating securities	—		—		(22,668		)
Net income attributable to common stockholders, basic and diluted	$	8,190	$	1,789	$	9,036
Denominator:
Weighted-average shares used in computing basic net income per share attributable to common stockholders	82,908		76,744		24,847
Weighted-average effect of potentially dilutive shares:
Employee stock options	10,538		16,442		12,788
RSUs and ESPP	222		175		140
Diluted	93,668		93,361		37,775
Net income per share attributable to common stockholders:
Basic	$	0.10	$	0.02	$	0.36
Diluted	$	0.09	$	0.02	$	0.24

Summary of the outstanding redeemable convertible preferred stock, employee stock, employee stock options, RSUs and warrants excluded from the diluted per share calculation

The following table summarizes the weighted average outstanding stock awards that were excluded from the diluted per share calculation because to include them would have been anti-dilutive for the period (in thousands):

	Years Ended December 31,
	2014	2013	2012
Stock options	2,649	1,134	3,348
RSUs and ESPP	977	233	—
Total	3,626	1,367	3,348