Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Details 4)

v3.3.1.900
STOCK-BASED COMPENSATION (Details 4) - Employee Stock Option
 12 Months Ended
Dec. 31, 2015
$ / shares
shares
Exercise Price Range Dollars 1.68 To 2.14 [Member]  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) $ 1.68
Range of exercise prices, high end of the range (in dollars per share) $ 2.14
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 3,398,170
Weighted-Average Remaining Contractual Life 8 years 11 months 27 days
Weighted-Average Exercise Price (in dollars per share) $ 2.14
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 965,799
Weighted Average Exercise Price (in dollars per share) $ 2.14
Exercise Price Range Dollars 2.72 To 3.59 [Member]  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 2.72
Range of exercise prices, high end of the range (in dollars per share) $ 3.59
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 3,818,711
Weighted-Average Remaining Contractual Life 7 years 11 months 27 days
Weighted-Average Exercise Price (in dollars per share) $ 3.43
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 2,419,487
Weighted Average Exercise Price (in dollars per share) $ 3.40
Exercise Price Range Dollars 3.64 To 6.51 [Member]  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 3.64
Range of exercise prices, high end of the range (in dollars per share) $ 6.51
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 3,613,435
Weighted-Average Remaining Contractual Life 5 years 6 months 11 days
Weighted-Average Exercise Price (in dollars per share) $ 6.31
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 3,432,883
Weighted Average Exercise Price (in dollars per share) $ 6.37
Exercise Price Range Dollars 6.55 To 7.40 [Member]  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 6.55
Range of exercise prices, high end of the range (in dollars per share) $ 7.40
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 2,490,644
Weighted-Average Remaining Contractual Life 4 years 2 months 27 days
Weighted-Average Exercise Price (in dollars per share) $ 6.81
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 2,490,644
Weighted Average Exercise Price (in dollars per share) $ 6.81
Exercise Price Range Dollars 7.53 To 9.62 [Member]  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 7.53
Range of exercise prices, high end of the range (in dollars per share) $ 9.62
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 3,392,461
Weighted-Average Remaining Contractual Life 4 years 9 months 29 days
Weighted-Average Exercise Price (in dollars per share) $ 8.70
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 3,387,320
Weighted Average Exercise Price (in dollars per share) $ 8.70
Exercise Price Range Dollars 9.74 To 26.45 [Member]  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 9.74
Range of exercise prices, high end of the range (in dollars per share) $ 26.45
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 2,393,051
Weighted-Average Remaining Contractual Life 1 year 6 months 29 days
Weighted-Average Exercise Price (in dollars per share) $ 19.11
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 2,392,999
Weighted Average Exercise Price (in dollars per share) $ 19.11
Exercise Price Range Dollars 1.68 To 26.45 [Member]  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 1.68
Range of exercise prices, high end of the range (in dollars per share) $ 26.45
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 19,106,472
Weighted-Average Remaining Contractual Life 5 years 10 months 6 days
Weighted-Average Exercise Price (in dollars per share) $ 7.08
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 15,089,132
Weighted Average Exercise Price (in dollars per share) $ 8.24