Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Share-based Compensation [Abstract]

Share-based compensation expense

The components of share-based compensation expense were as follows:

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
	(in thousands)
Stock option awards to employees	$	239	$	185	$	530	$	456
Restricted common stock awards		167		132		406		391
Total share-based compensation	$	406	$	317	$	936	$	847

Computation of fair values of employee stock options for option grants issued under Black-Scholes option model

We have computed the fair values of employee stock options for option grants issued during the nine months ended September 30, 2012 and 2011 using the Black-Scholes option model with the following assumptions:

	2012			2011
Dividend yield		1.6	%		1.1	%
Volatility		61.8	%		66.1	%
Risk-free interest rate		0.6	%		1.4	%
Weighted average expected option term (in years)		5.5			4.8
Weighted average fair value per share of options granted	$	2.91		$	3.57