Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Schedule of Weighted Average Number of Shares

The following is a reconciliation of weighted-average shares outstanding used in the calculation of basic and diluted earnings from continuing operations per share for the three months ended March 31, 2014 and 2015 (in thousands, except per share data):



	Three Months Ended
	March 31,
	2014			2015
Net income (loss)	$	(412	)	$	3,871
Basic weighted-average common shares outstanding	59,678			60,760
Assumed exercise of dilutive stock options, warrants and restricted stock	—			4,056
Diluted weighted-average common shares outstanding	59,678			64,816
Net income (loss):
Basic income (loss) per share	$	(0.01	)	$	0.06
Diluted income (loss) per share	$	(0.01	)	$	0.06

Outstanding equity awards not included in calculation of diluted net loss per share

Outstanding equity awards not included in the calculation of diluted net income (loss) per share because their effect was anti-dilutive were as follows:



	Three Months Ended
	March 31,
	2014			2015
	Number of Potential Shares	Range of Exercise Prices		Number of Potential Shares	Range of Exercise Prices
Stock options	10,923,538	$0.47 - $7.84		4,401,602	$4.00 - $7.04
Unvested stock awards	43,220	$	—	336,708	$	—
Warrants	1,602,489	$	2.40	—	$	—

Common stock activity during the period

Common stock activity during the period is as follows (in thousands):



	Three Months Ended
	March 31,
	2014		2015
Shares issued:
Options exercised	632		62
Restricted stock awards granted	—		283
Shares purchased under stock plan	198		—
Share decreases:
Shares repurchased for tax purposes	(15	)	(1	)