Earnings per Share

12 Months Ended

Dec. 31, 2011

Earnings per Share [Abstract]

Earnings per Share

10. Earnings per Share

The following table sets forth the computation of basic and diluted earnings per share:

	Years ended December 31:
	2009			2010		2011
	(In thousands, except per share data)
Numerator:
Net (loss) income	$	(18,780	)	$	1,766	$	13,743
Denominator:
Denominator for basic earnings per share – weighted-average common shares outstanding		55,499			75,923		90,151
Effect of dilutive securities: Stock options, restricted shares and warrants		-			1,301		2,093
Dilutive potential common shares: Denominator for diluted earnings per share – adjusted weighted-average shares and assumed exercise of options, restricted shares and warrants		55,499			77,224		92,244
Net (loss) income per common share  – basic	$	(0.34	)	$	0.02	$	0.15
Net (loss) income per common share – diluted	$	(0.34	)	$	0.02	$	0.15

 Basic earnings per share, excluding any dilutive effects of stock options, warrants and unvested restricted stock, is computed by dividing net income (loss) available to common stockholders by the weighted average number of common shares outstanding for the period. Diluted income (loss) per share is computed similar to basic; however diluted income (loss) per share reflects the assumed conversion of all potentially dilutive securities. For the year ended December 31, 2009, 310,692 potential shares relating to stock options were excluded from the calculation of diluted income (loss) per share since their inclusion would have been anti-dilutive due to the loss incurred in the period.