Equity Compensation (Range) (Details)
|
9 Months Ended |
|
Sep. 30, 2016
$ / shares
shares
|
|---|
| Options Outstanding |
|
| Number of Underlying Shares | shares |
3,881,495
|
| Options Exercisable |
|
| Number of Underlying Shares | shares |
2,990,429
|
| 2.34-3.59 |
|
| Equity compensation |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 2.34
|
| Range of Exercise Price, high end of range (in dollars per share) |
3.59
|
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 3.25
|
| Number of Underlying Shares | shares |
60,694
|
| Weighted-Average Remaining Contractual Life |
9 months 18 days
|
| Options Exercisable |
|
| Number of Underlying Shares | shares |
60,694
|
| Weighted-Average Remaining Contractual Life |
9 months 18 days
|
| 4.78-7.28 |
|
| Equity compensation |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 4.78
|
| Range of Exercise Price, high end of range (in dollars per share) |
7.28
|
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 5.94
|
| Number of Underlying Shares | shares |
1,246,543
|
| Weighted-Average Remaining Contractual Life |
4 years 7 months 6 days
|
| Options Exercisable |
|
| Number of Underlying Shares | shares |
1,225,444
|
| Weighted-Average Remaining Contractual Life |
4 years 6 months
|
| 7.49-11.28 |
|
| Equity compensation |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 7.49
|
| Range of Exercise Price, high end of range (in dollars per share) |
11.28
|
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 9.77
|
| Number of Underlying Shares | shares |
1,044,374
|
| Weighted-Average Remaining Contractual Life |
5 years 10 months 24 days
|
| Options Exercisable |
|
| Number of Underlying Shares | shares |
838,969
|
| Weighted-Average Remaining Contractual Life |
5 years 4 months 24 days
|
| 11.72-17.66 |
|
| Equity compensation |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 11.72
|
| Range of Exercise Price, high end of range (in dollars per share) |
17.66
|
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 14.75
|
| Number of Underlying Shares | shares |
863,004
|
| Weighted-Average Remaining Contractual Life |
8 years 1 month 6 days
|
| Options Exercisable |
|
| Number of Underlying Shares | shares |
427,361
|
| Weighted-Average Remaining Contractual Life |
8 years
|
| 19.56-22.92 |
|
| Equity compensation |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 19.56
|
| Range of Exercise Price, high end of range (in dollars per share) |
22.92
|
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 21.04
|
| Number of Underlying Shares | shares |
666,880
|
| Weighted-Average Remaining Contractual Life |
7 years 2 months 12 days
|
| Options Exercisable |
|
| Number of Underlying Shares | shares |
437,961
|
| Weighted-Average Remaining Contractual Life |
7 years 1 month 6 days
|