Net Loss Per Share (Tables)

12 Months Ended

Jul. 31, 2016

Earnings Per Share [Abstract]

Schedule of Calculation of Basic and Diluted Net Loss per Share

The following table presents the calculation of basic and diluted net loss per share for the periods presented:

	Year Ended July 31,
	2016			2015			2014
	(in thousands except per share amounts)
Numerator:
Net loss	$	(41,512	)	$	(50,353	)	$	(60,793	)
Denominator:
Weighted-average shares used to compute net loss per share, basic and diluted	29,769			10,651			3,413
Net loss per share, basic and diluted	$	(1.39	)	$	(4.73	)	$	(17.81	)

Schedule of Potentially Dilutive Securities Not Included in Diluted per Share Calculations

Potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows:

	Year Ended July 31,
	2016	2015	2014
	(in thousands)
Shares subject to outstanding common stock options	4,639	4,275	4,009
Convertible preferred stock (on an as if converted basis)	—	—	19,811
Restricted stock units	2,425	279	16
Shares subject to employee stock purchase plan	207	206	—
Restricted common stock	3	45	—
Shares subject to common stock warrants	3	3	66
Total	7,277	4,808	23,902