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Equity Compensation Plans (2004 Share Incentive Plan) (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2005
Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Market value of ordinary shares $ 0.0106 $ 0.0120 $ 0.0495    
2004 Share Incentive Plan [Member] | Stock Options [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Contractual term       10 years  
Options outstanding 34,669,372 43,746,700 44,584,700   45,582,700
Total intrinsic value of options exercised in period $ 0 $ 0 $ 0    
2004 Share Incentive Plan [Member] | Stock Options [Member] | Minimum [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period       3 years  
2004 Share Incentive Plan [Member] | Stock Options [Member] | Maximum [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period       4 years  
2004 Share Incentive Plan [Member] | Ordinary Shares [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of ordinary shares terminated and unavailable for future grant     185,550,800