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EMPLOYEE STOCK PLANS- Summary of activity under the employee stock plans (Details 2) (USD $)
12 Months Ended
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2012
Stock Options
Dec. 31, 2011
Stock Options
Dec. 31, 2012
Employee Stock Plans
Stock Options
Dec. 31, 2012
Employee Stock Plans
Restricted Stock
Stock Options            
Outstanding - December 31, 2011         11,829,507  
Exercisable - December 31, 2011         5,801,057  
Granted (335,000) (577,851) (27,700,000) (4,368,431) 27,700,000  
Exercised or Vested         (211,600)  
Forfeited or Expired         (24,087,804)  
Outstanding - December 31, 2012         15,441,703  
Exercisable - December 31, 2012         5,394,503  
Stock Options Weighted Average Exercise Price            
Outstanding - December 31, 2011         $ 0.52  
Exercisable - December 31, 2011         $ 0.52  
Granted         $ 0.26  
Exercised or Vested         $ 0.64  
Forfeited or Expired         $ 0.33  
Outstanding - December 31, 2012         $ 0.35  
Exercisable - December 31, 2012         $ 0.51  
Restricted Stock            
Outstanding - December 31, 2011           2,990,356
Exercisable - December 31, 2011             
Granted           8,684,293
Exercised or Vested           (7,409,485)
Forfeited or Expired           (30,000)
Outstanding - December 31, 2012           4,235,164
Exercisable - December 31, 2012