Net Income (Loss) Per Share Attributable to Common Stockholders (Tables)

9 Months Ended

Sep. 30, 2012

Calculation of Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders

The following tables present the calculation of basic and diluted net income (loss) per share attributable to common stockholders (in thousands, except share and per share data):

	Fiscal Years Ended June 30,									Six Months Ended December 31,						Nine Months Ended September 30,
	2009			2010			2011			2010			2011			2011			2012
										(Unaudited)						(Unaudited)
Numerator:
Net income (loss)	$	(5,906	)	$	(29,705	)	$	9,830		$	4,803		$	(6,684	)	$	5,148		$	(27,417	)
Accretion of redeemable convertible preferred stock		(625	)		(640	)		(633	)		(320	)		(312	)		(471	)		(308	)
Net income attributable to participating securities		—			—			(7,558	)		(3,721	)		—			(3,788	)		—
Net income (loss) attributable to common stockholders—basic	$	(6,531	)	$	(30,345	)	$	1,639		$	762		$	(6,996	)	$	889		$	(27,725	)
Undistributed earnings reallocated to participating securities	$	—		$	—		$	671		$	349		$	—		$	361		$	—
Net income (loss) attributable to common stockholders— diluted	$	(6,531	)	$	(30,345	)	$	2,310		$	1,111		$	(6,996	)	$	1,250		$	(27,725	)
Denominator:
Weighted-average shares outstanding Basic		39,039,066			23,157,576			18,163,977			17,156,445			21,104,219			19,695,440			57,089,411
Effect of potentially dilutive securities:
Common stock options		—			—			9,931,509			10,465,912			—			10,917,099			—
Weighted-average shares outstanding Diluted		39,039,066			23,157,576			28,095,486			27,622,357			21,104,219			30,612,539			57,089,411
Net income (loss) per share attributable to common stockholders:
Basic	$	(0.17	)	$	(1.31	)	$	0.09		$	0.04		$	(0.33	)	$	0.05		$	(0.49	)
Diluted	$	(0.17	)	$	(1.31	)	$	0.08		$	0.04		$	(0.33	)	$	0.04		$	(0.49	)

Summary of Potentially Dilutive Securities

Potentially dilutive securities not included in the calculation of diluted net income (loss) per share because doing so would be antidilutive are as follows:

	Fiscal Years Ended June 30,						Six Months Ended December 31,				Nine Months Ended September 30,
	2009		2010		2011		2010		2011		2011		2012
							(Unaudited)				(Unaudited)
Common stock options		19,164,000		16,520,984		7,635,190		7,890,844		39,601,640		8,548,888		37,279,442
Warrants		414,816		—		—		—		—		—		—
Convertible preferred stock		59,777,936		83,703,016		83,703,016		83,703,016		83,703,016		83,703,016		—
Restricted stock units		—		—		—		—		—		—		1,134,851
Common stock subject to repurchase		—		—		83,551		—		578,616		288,350		349,165
ESPP obligations		—		—		—		—		—		—		468,704
Total potentially dilutive securities		79,356,752		100,224,000		91,421,757		91,593,860		123,883,272		92,540,254		39,232,162