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Share-Based Compensation
6 Months Ended
Jun. 30, 2012
Share-based Compensation [Abstract]  
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Share-Based Compensation
Valuation Assumptions for Stock Options
For the six month period ended June 30, 2012, there were 10 stock options granted. There were no stock options granted in the six month period ended June 30, 2011. The fair value of each option was estimated on the date of grant for the granted options using the Black-Scholes option-pricing model with the following assumptions:

Six Months Ended
 
June 30,

2012

2011
Expected life (years)
5.0



Expected volatility
86.1
%

%
Expected dividend yield
%

%
Risk-free interest rate
0.8
%

%
Weighted average fair value per option
$
5.77


$


As of June 30, 2012 and December 31, 2011, there was $560 and $627 of total unrecognized compensation cost related to stock options granted under the Company’s stock plans, respectively. That cost is expected to be recognized over a weighted average period of 2.3 years and 1.6 years for the respective periods.

Restricted Stock Unit Activity
A summary of the Company’s nonvested restricted stock unit activity with respect to the six month period ended June 30, 2012 is as follows:


Number of Shares

Weighted Average Grant Date Fair Value
Nonvested at December 31, 2011

1,465


$
8.01

Granted

343


$
9.99

Vested

(403
)

$
8.43

Forfeited

(15
)

$
8.17

Nonvested at June 30, 2012

1,390


$
8.38


As of June 30, 2012 and December 31, 2011, there was $7,117 and $6,049 of total unrecognized compensation cost related to restricted stock units granted under the Company’s stock plans, respectively.  That cost is expected to be recognized over a weighted average period of 2.5 years and 2.2 years for the respective periods.