Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Stock Options by Exercise Price (Details)

v3.7.0.1
STOCK-BASED COMPENSATION - Stock Options by Exercise Price (Details) - Employee stock option
 12 Months Ended
Dec. 31, 2016
$ / shares
shares
$1.68 - $2.54  
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) $ 2.54
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 3,638,849
Weighted-Average Remaining Contractual Life 6 years 7 months 24 days
Weighted-Average Exercise Price (in dollars per share) $ 2.20
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 3,036,017
Weighted Average Exercise Price (in dollars per share) $ 2.15
$2.72 - $3.20  
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) $ 3.20
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 3,387,562
Weighted-Average Remaining Contractual Life 7 years 4 months 28 days
Weighted-Average Exercise Price (in dollars per share) $ 2.86
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 1,822,751
Weighted Average Exercise Price (in dollars per share) $ 2.95
$3.26 - $3.92  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 3.26
Range of exercise prices, high end of the range (in dollars per share) $ 3.92
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 3,505,077
Weighted-Average Remaining Contractual Life 7 years 1 month 10 days
Weighted-Average Exercise Price (in dollars per share) $ 3.65
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 2,010,617
Weighted Average Exercise Price (in dollars per share) $ 3.57
$3.96 - $6.55  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 3.96
Range of exercise prices, high end of the range (in dollars per share) $ 6.55
Options Outstanding  
Number of Shares Underlying Options (in shares) | shares 3,551,425
Weighted-Average Remaining Contractual Life 3 years 8 months 1 day
Weighted-Average Exercise Price (in dollars per share) $ 6.33
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 3,544,637
Weighted Average Exercise Price (in dollars per share) $ 6.33
$6.73 - $9.62  
Stock options by exercise price  
Range of exercise prices, low end of the range (in dollars per share) 6.73
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 4,270,760
Weighted-Average Remaining Contractual Life 3 years 2 months 1 day
Weighted-Average Exercise Price (in dollars per share) $ 8.06
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 4,270,760
Weighted Average Exercise Price (in dollars per share) $ 8.06
$9.74 - $26.45  
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 1,903,560
Weighted-Average Remaining Contractual Life 8 months 12 days
Weighted-Average Exercise Price (in dollars per share) $ 20.49
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 1,903,560
Weighted Average Exercise Price (in dollars per share) $ 20.49
$1.68 - $26.45  
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 20,257,233
Weighted-Average Remaining Contractual Life 5 years 15 days
Weighted-Average Exercise Price (in dollars per share) $ 6.24
Options Exercisable  
Number of Shares Underlying Options (in shares) | shares 16,588,342
Weighted Average Exercise Price (in dollars per share) $ 6.93