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SHARE-BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule Of significant ranges of outstanding and exercisable options
      Options Outstanding Options Exercisable
      Number Of  Weighted     Number Of    
      Options Average Weighted  Options Weighted
      Outstanding Remaining  Average Exercisable  Average
      December 31, Contractual Exercise December 31, Exercise
Exercise Prices 2011 Life Price 2011 Price
$ 1.34 $ 1.34  802,775  7.0 $ 1.34  341,653 $ 1.34
$ 2.02 $ 12.08  51,750  6.9 $ 9.25  32,581 $ 9.71
$ 33.90 $ 47.77  8,500  2.7 $ 36.86  8,500 $ 36.86
$ 48.00 $ 48.21  13,000  0.4 $ 48.03  13,000 $ 48.03
$ 1.34 $ 48.21  876,025  6.9 $ 2.84  395,734 $ 4.33
Restricted Stock Units Activity [Member] Member
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
    Number    Weighted Aggregate
    Of Weighted Average Intrinsic
    Restricted  Average Remaining Value As Of
    Stock Purchase Contractual December 31,
 Period Ended  Units Price Term (Years) 2011
             
RSUs outstanding as of: December 31, 2010   2,329,174        
RSUs awarded    445,213        
RSUs released    (885,878)        
RSUs forfeited    (27,932)        
RSUs outstanding as of: December 31, 2011   1,860,577 $ - 1.5 $ 11,442,549
RSUs vested and expected            
to vest as of:December 31, 2011   1,705,617 $ - 1.4 $ 9,954,522
RSUs exercisable (vested and             
deferred) as of:December 31, 2011   86,996 $ - 0.0 $ 535,025
Weighted average remaining             
recognition period in years   2.1        
Unamortized compensation             
expense, net of estimated           
forfeitures   $ 8,646,401        
Options Activity[Member] Member
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
         Weighted Intrinsic
      Weighted Average Value
      Average Remaining As of
   Number of Exercise Contractual December 31,
 Period Ended Options Price Term (Years) 2011
             
Options outstanding as of:December 31, 2010   983,150 $ 3.02     
Options granted    -   -     
Options exercised    (53,625)   1.34     
Options forfeited    (38,030)   1.46     
Options expired    (15,470)   22.32     
Outstanding as of:December 31, 2011   876,025 $ 2.84 6.9 $ 3,876,728
             
Options vested and expected to vest as of:December 31, 2011   855,248 $ 2.87 6.9 $ 3,781,429
Options vested and exercisable as of:December 31, 2011   395,734 $ 4.33 6.6 $ 1,651,041
Weighted average remaining            
recognition period in years   1.1        
Unamortized compensation expense, net of            
estimated forfeitures  $ 213,999