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Shareholders' Equity (Tables)
9 Months Ended
Sep. 30, 2012
Shareholders' Equity [Abstract]  
Components of share-based compensation expense
                                 
    Three Months Ended
September 30,
    Nine Months Ended
September 30,
 
    2012     2011     2012     2011  

Stock option expense

  $ 84     $ 459     $ 216     $ 712  

Restricted stock expense

    9       172       26       340  

Restricted stock unit expense

    62       35       172       142  

SAR expense

    88       127       414       461  

ESPP expense

    —         34       —         102  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total share-based payment expense

  $ 243     $ 827     $ 828     $ 1,757  
   

 

 

   

 

 

   

 

 

   

 

 

 
Activity regarding outstanding stock options
                 
    All Stock Options Outstanding  
    Shares     Weighted Average
Exercise Price
 

Options Outstanding as of December 31, 2011

    446,975     $ 12.55  

Options Granted

    —         —    

Options Forfeited/Cancelled*

    (31,400   $ 14.40  
   

 

 

   

 

 

 

Options Outstanding as of September 30, 2012

    415,575     $ 12.41  
   

 

 

         

Option price range at September 30, 2012

  $ 6.63 - $34.05          

 

* See disclosure below regarding forfeitures.
Changes in unvested stock options
                 
    Options     Weighted Average Grant
Date Fair Value
 

Unvested stock options

               

Unvested at December 31, 2011

    107,200     $ 4.63  

Granted

    —       $ —    

Vested

    (32,000   $ 3.83  

Forfeited/cancelled*

    (2,280   $ 6.58  
   

 

 

   

 

 

 

Unvested stock options at September 30, 2012

    72,920     $ 4.92  
   

 

 

         

 

* See disclosure below regarding forfeitures.
Changes in unvested restricted stock
                 
    Restricted Stock     Weighted Average Grant
Date Fair Value
 

Unvested Restricted Stock

               

Unvested at December 31, 2011

    2,720     $ 16.43  

Granted

    —       $ —    

Vested

    (500   $ 14.90  

Forfeited/cancelled*

    (340   $ 16.77  
   

 

 

   

 

 

 

Unvested restricted stock at September 30, 2012

    1,880     $ 16.77  
   

 

 

         

 

* See disclosure below regarding forfeitures.
Changes in unvested restricted stock units
                 
    Restricted
Stock
Units
    Weighted
Average
Grant-Date
Fair Value
 

Unvested at December 31, 2011

    148,560     $ 5.47  

Granted

    127,250     $ 2.70  

Vested

    (26,450   $ 5.22  

Forfeited/cancelled*

    (19,730   $ 4.24  
   

 

 

   

 

 

 

Unvested at September 30, 2012

    229,630     $ 4.07  
   

 

 

         

 

* See disclosure below regarding forfeitures.
Weighted average fair value of SARs granted
                 
    Nine Months Ended September 30,  
    2012     2011  

Dividend yield

    0     0

Risk-free interest rate

    0.78     1.39

Volatility

    86.9     89.5

Expected term (years)

    5       4.5  

Weighted-average fair value of SARs granted

  $ 1.26     $ 3.98  
Activity regarding outstanding SARs
                 
    All SARs Outstanding  
          Weighted Average  
    Shares     Exercise Price  

SARs Outstanding as of December 31, 2011

    787,690     $ 5.63  

SARs Granted

    975,015     $ 1.87  

SARs Exercised

    —         —    

SARs Forfeited/Cancelled*

    (130,070   $ 4.75  
   

 

 

   

 

 

 

SARs Outstanding as of September 30, 2012

    1,632,635     $ 3.46  
   

 

 

         

SAR price range at September 30, 2012

  $ 1.34 – $8.50          
   

 

 

         

 

* See disclosure below regarding forfeitures.
Changes in unvested SARs
                 
          Weighted-Average Grant  
    Shares     Date Fair Value Per
Share
 

Unvested at December 31, 2011

    583,740     $ 3.64  

Granted

    975,015     $ 1.26  

Vested

    (102,950   $ 3.55  

Forfeited*

    (113,030   $ 2.80  
   

 

 

   

 

 

 

Unvested at September 30, 2012

    1,342,775     $ 1.99  
   

 

 

         

 

* See disclosure below regarding forfeitures.
Fair value of option granted under ESPP
         
    Nine Months Ended
September 30, 2011
 

Dividend yield

    0

Risk-free interest rate

    0.29

Volatility

    73.5

Expected term (years)

    1.0