Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

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 June 30,					Six Months Ended June 30,
	2013		2012			2013		2012
Net income (loss):	$	1,056	$	(2,102	)	$	1,286	$	(5,516	)
Weighted average number of shares outstanding:
Basic	31,222		30,985			31,170		30,871
Effect of dilutive securities:
Stock options and share awards	1,474		—			689		—
Diluted	32,696		30,985			31,859		30,871
Net income (loss) per share:
Basic	$	0.03	$	(0.07	)	$	0.04	$	(0.18	)
Diluted	$	0.03	$	(0.07	)	$	0.04	$	(0.18	)

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 June 30, 2013	Weighted Average Exercise Price		Six Months  Ended June 30, 2013	Weighted Average Exercise Price
Warrants	7	$	116.54	7	$	116.54
Outstanding stock options and unvested restricted shares	3,011	$	2.11	3,011	$	2.11
	3,018			3,018