Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation (Details 1)

v2.4.0.8
Equity-Based Compensation (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Summary of option activity under stock plans    
Number of options Outstanding, Beginning balance 17,761,804  
Number of options, Granted 5,722,000  
Number of options, Assumed from PROLOR 7,612,537  
Number of options, Exercised (9,254,744)  
Number of options, Forfeited (488,500)  
Number of options, Expired (2,500)  
Number of options Outstanding, Ending balance 21,350,597 17,761,804
Weighted Average Exercise Price, Beginning balance $ 2.90  
Weighted Average Exercise Price, Granted $ 7.76  
Weighted Average Exercise Price, Assumed from PROLOR $ 3.09  
Weighted Average Exercise Price, Exercised $ 2.46  
Weighted Average Exercise Price, Forfeited $ 2.44  
Weighted Average Exercise Price, Expired $ 4.02  
Weighted Average Exercise Price, Ending balance $ 4.47 $ 2.90
Weighted average remaining contractual term, Outstanding, Beginning balance 4 years 10 months 6 days 3 years 9 months 18 days
Weighted average remaining contractual term, Outstanding, Ending balance 4 years 10 months 6 days 3 years 9 months 18 days
Aggregate intrinsic value, Outstanding, Beginning balance $ 34,227  
Aggregate intrinsic value, Outstanding, Ending balance 85,186 34,227
Vested and expected to vest, Number of options 19,765,840  
Exercisable, Number of options 11,088,879  
Vested and expected to vest, Weighted Average Exercise Price $ 4.35  
Exercisable, Weighted Average Exercise Price $ 3.13  
Weighted average remaining contractual term, Vested and expected to vest 4 years 9 months 15 days  
Weighted average remaining contractual term, Exercisable 4 years 2 months 16 days  
Aggregate intrinsic value, Vested and expected to vest 81,229  
Exercisable, Aggregate intrinsic value $ 58,889