Net Loss Per Share Applicable to Common Stockholders (Tables)

3 Months Ended

Jul. 31, 2013

Computations of Loss per Share Applicable to Common Stockholders

The following table sets forth the computations of net loss per share applicable to common stockholders for the three months ended July 31, 2013 and 2012, respectively (in thousands, except net loss per share data):

	Three Months Ended July 31,
	2013			2012
Net loss	$	(17,368	)	$	(18,539	)
Net loss per share, basic and diluted	$	(0.23	)	$	(0.30	)
Weighted average number of shares outstanding, basic and diluted		73,983			62,451
Potentially dilutive securities (1):
Outstanding stock options		2,987			7,849
Restricted shares		188			—

⁽¹⁾  The impact of potentially dilutive securities on earnings per share is anti-dilutive in a period of net loss.