Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Share

The following table presents the calculation of earnings (loss) per share (in thousands, except per share data):

		Three months ended  June 30,				Six months ended June 30,
		2015		2014		2015		2014
	(unaudited)
Basic earnings (loss) per share:
Numerator:
Net income (loss)		$	(2,336)	$	1,398	$	(3,599)	$	1,750
Denominator:
Weighted-average common shares			39,183		38,102		38,994		37,952
Basic earnings (loss) per share		$	(0.06)	$	0.04	$	(0.09)	$	0.05
Diluted earnings per share:
Numerator:
Net income (loss)		$	(2,336)	$	1,398	$	(3,599)	$	1,750
Denominator:
Weighted-average common shares			39,183		38,102		38,994		37,952
Weighted-average dilutive stock options and RSUs			—		3,432		—		3,632
Contingent stock due to BlueKite Acquisition			—		88		—		83
Weighted-average common shares and equivalents			39,183		41,622		38,994		41,667
Diluted earnings (loss) per share		$	(0.06)	$	0.03	$	(0.09)	$	0.04

Securities Excluded from Calculation of Diluted Net Earnings Per Share

The following securities have been excluded from the calculation of diluted earnings (loss) per share of common stock for the periods presented because their effect would have been anti-dilutive (in thousands):

	Three months ended  June 30,				Six months ended June 30,
	2015		2014		2015		2014
	(unaudited)
Stock options outstanding		5,932		1,947		6,060		1,911
Unvested RSUs		899		32		753		35
Contingent stock due to BlueKite Acquisition		44		—		44		—
Total common stock equivalents	6,875		1,979		6,857		1,946