|
Redeemable Convertible Preferred Stock and Stockholders' Deficit (Details 4) (Stock Options, USD $)
|
9 Months Ended |
|
Sep. 30, 2013
|
| Options Outstanding |
|
| Number of Underlying Shares |
4,949,565 |
| Options Exercisable |
|
| Number of Underlying Shares |
3,061,051 |
|
0.26-1.30
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Deficit |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 0.26 |
| Range of Exercise Price, high end of range (in dollars per share) |
$ 1.30 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 0.56 |
| Number of Underlying Shares |
190,939 |
| Weighted-Average Remaining Contractual Life |
1 year 2 months 12 days |
| Options Exercisable |
|
| Number of Underlying Shares |
190,939 |
| Weighted-Average Remaining Contractual Life |
1 year 2 months 12 days |
|
1.35-2.60
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Deficit |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 1.35 |
| Range of Exercise Price, high end of range (in dollars per share) |
$ 2.60 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 2.18 |
| Number of Underlying Shares |
473,347 |
| Weighted-Average Remaining Contractual Life |
2 years 8 months 12 days |
| Options Exercisable |
|
| Number of Underlying Shares |
473,347 |
| Weighted-Average Remaining Contractual Life |
2 years 8 months 12 days |
|
2.65-3.90
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Deficit |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 2.65 |
| Range of Exercise Price, high end of range (in dollars per share) |
$ 3.90 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 3.23 |
| Number of Underlying Shares |
325,523 |
| Weighted-Average Remaining Contractual Life |
3 years 9 months 18 days |
| Options Exercisable |
|
| Number of Underlying Shares |
325,523 |
| Weighted-Average Remaining Contractual Life |
3 years 9 months 18 days |
|
3.95-5.20
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Deficit |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 3.95 |
| Range of Exercise Price, high end of range (in dollars per share) |
$ 5.20 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 4.87 |
| Number of Underlying Shares |
954,522 |
| Weighted-Average Remaining Contractual Life |
5 years 6 months |
| Options Exercisable |
|
| Number of Underlying Shares |
926,448 |
| Weighted-Average Remaining Contractual Life |
5 years 6 months |
|
5.25-6.50
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Deficit |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 5.25 |
| Range of Exercise Price, high end of range (in dollars per share) |
$ 6.50 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 6.19 |
| Number of Underlying Shares |
1,734,885 |
| Weighted-Average Remaining Contractual Life |
8 years |
| Options Exercisable |
|
| Number of Underlying Shares |
933,316 |
| Weighted-Average Remaining Contractual Life |
7 years 10 months 24 days |
|
6.55-7.80
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Deficit |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 6.55 |
| Range of Exercise Price, high end of range (in dollars per share) |
$ 7.80 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 7.49 |
| Number of Underlying Shares |
118,947 |
| Weighted-Average Remaining Contractual Life |
6 years 9 months 18 days |
| Options Exercisable |
|
| Number of Underlying Shares |
95,260 |
| Weighted-Average Remaining Contractual Life |
6 years 9 months 18 days |
|
7.85-9.10
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Deficit |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 7.85 |
| Range of Exercise Price, high end of range (in dollars per share) |
$ 9.10 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 8.84 |
| Number of Underlying Shares |
239,893 |
| Weighted-Average Remaining Contractual Life |
8 years 8 months 12 days |
| Options Exercisable |
|
| Number of Underlying Shares |
81,075 |
| Weighted-Average Remaining Contractual Life |
8 years 8 months 12 days |
|
9.15-22.77
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Deficit |
|
| Range of Exercise Price, low end of range (in dollars per share) |
$ 9.15 |
| Range of Exercise Price, high end of range (in dollars per share) |
$ 22.77 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 11.40 |
| Number of Underlying Shares |
911,509 |
| Weighted-Average Remaining Contractual Life |
8 years 10 months 24 days |
| Options Exercisable |
|
| Number of Underlying Shares |
35,143 |
| Weighted-Average Remaining Contractual Life |
9 years 1 month 6 days |