Annual report pursuant to section 13 and 15(d)

Share-based Compensation (Details)

v2.4.0.6
Share-based Compensation (Details) (Restricted Stock [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Restricted Stock [Member]
      
Summary of restricted share activity      
Unvested Number of shares, Beginning Balance 2,636 2,174  
Number of shares, Granted 343 682 3,400
Number of shares, Vested (169) (168)  
Vested shares forgone to satisfy minimum statutory withholding (70) (51)  
Number of shares, Forfeitures (2,172) (1)  
Unvested Number of shares, Ending Balance 568 2,636 2,174
Unvested Weighted average grant date fair value, Beginning Balance $ 1.88 $ 2.51  
Weighted average grant date fair value, Granted $ 1.82 $ 1.64  
Weighted average grant date fair value, Vested $ 1.82 $ 1.90  
Weighted average grant date fair value, Vested shares forgone to satisfy minimum statutory withholding $ 1.81 $ 2.19  
Weighted average grant date fair value, Forfeitures $ 1.40 $ 2.58  
Unvested Weighted average grant date fair value, Ending Balance $ 1.87 $ 1.88 $ 2.51