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Share-Based Compensation - (Tables)
9 Months Ended
Sep. 30, 2012
Share-based Compensation [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Nine Months Ended
 
September 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


$

Summary of restricted stock unit activity [Table Text Block]
A summary of the Company’s nonvested restricted stock unit activity with respect to the nine month period ended September 30, 2012 is as follows:


Number of Shares

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

1,465


$
8.01

Granted

409


$
9.81

Vested

(451
)

$
8.52

Forfeited

(30
)

$
8.25

Nonvested at September 30, 2012

1,393


$
8.37