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EMPLOYEE STOCK PLANS - Summary of activity under the employee stock plans (Details) (Employee Stock Plans, USD $)
6 Months Ended
Jun. 30, 2013
Stock Options
 
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding [Roll Forward]  
Outstanding - March 31, 2013 15,413,584
Outstanding - March 31, 2013 5,405,584
Granted   
Exercised or Vested   
Forfeited or Expired   
Outstanding - June 30, 2013 15,413,584
Exercisable - June 30, 2013 5,405,584
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]  
Outstanding - March 31, 2013 $ 0.35
Exercisable - March 31, 2013 $ 0.52
Granted $ 0.00
Exercised or Vested $ 0.00
Forfeited or Expired $ 0.00
Outstanding - June 30, 2013 $ 0.35
Exercisable - June 30, 2013 $ 0.52
Restricted Stock
 
Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]  
Outstanding - March 31, 2013 3,176,374
Exercisable - March 31, 2013   
Granted 1,019,231
Exercised or Vested (1,016,304)
Forfeited or Expired   
Outstanding - June 30, 2013 3,179,301
Exercisable - June 30, 2013