Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Net Income (Loss) Per Share

For purposes of this calculation, common stock subject to repurchase by the Company and options are considered to be common stock equivalents and are only included in the calculation of diluted earnings per share when their effect is dilutive.

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
	(unaudited, in thousands, except per share amounts)
Numerator:
Net loss available to common stockholders	$	(7,244	)	$	(6,825	)	$	(13,402	)	$	(16,507	)
Denominator:
Weighted average shares outstanding - basic		37,247			36,045			36,932			35,818
Potential common shares - options (treasury stock method)		-			-			-			-
Weighted average shares outstanding - diluted		37,247			36,045			36,932			35,818
Shares excluded (anti-dilutive)		-			18			8			25
Shares excluded due to an exercise price greater than weighted average stock price for the period		2,323			1,483			1,457			1,364
Net loss per common share:
Basic	($	0.19	)	($	0.19	)	($	0.36	)	($	0.46	)
Diluted	($	0.19	)	($	0.19	)	($	0.36	)	($	0.46	)