Net Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Reconciliation of Numerator and Denominator of Basic and Diluted Net Income (Loss) Per Share

The following table is a reconciliation of the numerator and denominator in the basic and diluted net income (loss) per share calculation (in thousands, except per share data):



	Three Months Ended September 30,					Nine Months Ended September 30,
	2013		2012			2013		2012
Net income (loss):	$	1,596	$	(4,198	)	$	2,882	$	(9,714	)
Weighted average number of shares outstanding:
Basic	31,480		31,086			31,273		30,927
Effect of dilutive securities:
Stock options and share awards	1,864		—			1,326		—
Diluted	33,344		31,086			32,599		30,927
Net income (loss) per share:
Basic	$	0.05	$	(0.14	)	$	0.09	$	(0.31	)
Diluted	$	0.05	$	(0.14	)	$	0.09	$	(0.31	)

Potential Common Stock not Included in Diluted Net Income (Loss) Per Share Calculation

The following tables set forth potential common stock that is not included in the diluted net income (loss) per share calculation because their effect would be antidilutive for the periods indicated (in thousands, except exercise price per share data):



	Three Months Ended September 30, 2013	Weighted Average Exercise Price		Nine Months Ended September 30, 2013	Weighted Average Exercise Price
Warrants	7	$	116.54	7	$	116.54
Outstanding stock options and unvested restricted shares	541	$	4.98	541	$	4.98
	548			548



	Three Months Ended September 30, 2012	Weighted Average Exercise Price		Nine Months Ended September 30, 2012	Weighted Average Exercise Price
Warrants	7	$	116.54	7	$	116.54
Outstanding stock options and unvested restricted shares	5,692	$	2.01	5,692	$	2.01
	5,699			5,699