|
Equity Compensation (Details 2) (Stock Options, USD $)
|
3 Months Ended |
|
Mar. 31, 2014
|
| Options Outstanding |
|
| Number of Underlying Shares |
4,894,474 |
| Options Exercisable |
|
| Number of Underlying Shares |
2,668,667 |
|
0.26-1.30
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Equity (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) |
$ 0.64 |
| Number of Underlying Shares |
63,440 |
| Weighted-Average Remaining Contractual Life |
1 year |
| Options Exercisable |
|
| Number of Underlying Shares |
63,440 |
| Weighted-Average Remaining Contractual Life |
1 year |
|
1.35-2.60
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Equity (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) |
$ 2.22 |
| Number of Underlying Shares |
299,241 |
| Weighted-Average Remaining Contractual Life |
1 year 9 months 18 days |
| Options Exercisable |
|
| Number of Underlying Shares |
299,241 |
| Weighted-Average Remaining Contractual Life |
1 year 9 months 18 days |
|
2.65-3.90
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Equity (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) |
$ 3.17 |
| Number of Underlying Shares |
252,213 |
| Weighted-Average Remaining Contractual Life |
2 years 7 months 6 days |
| Options Exercisable |
|
| Number of Underlying Shares |
252,213 |
| Weighted-Average Remaining Contractual Life |
2 years 7 months 6 days |
|
3.95-5.20
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Equity (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 |
765,480 |
| Weighted-Average Remaining Contractual Life |
3 years 10 months 24 days |
| Options Exercisable |
|
| Number of Underlying Shares |
765,480 |
| Weighted-Average Remaining Contractual Life |
3 years 10 months 24 days |
|
5.25-6.50
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Equity (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) |
$ 6.18 |
| Number of Underlying Shares |
1,510,915 |
| Weighted-Average Remaining Contractual Life |
7 years 1 month 6 days |
| Options Exercisable |
|
| Number of Underlying Shares |
960,056 |
| Weighted-Average Remaining Contractual Life |
6 years 10 months 24 days |
|
6.55-7.80
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Equity (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 |
108,979 |
| Weighted-Average Remaining Contractual Life |
6 years 3 months 18 days |
| Options Exercisable |
|
| Number of Underlying Shares |
96,014 |
| Weighted-Average Remaining Contractual Life |
6 years 3 months 18 days |
|
7.85-9.10
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Equity (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 |
230,734 |
| Weighted-Average Remaining Contractual Life |
8 years 2 months 12 days |
| Options Exercisable |
|
| Number of Underlying Shares |
101,721 |
| Weighted-Average Remaining Contractual Life |
8 years 2 months 12 days |
|
9.15-22.92
|
|
| Redeemable Convertible Preferred Stock and Stockholders' Equity (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) |
$ 22.92 |
| Options Outstanding |
|
| Weighted Average Exercise Price (in dollars per share) |
$ 15.89 |
| Number of Underlying Shares |
1,663,472 |
| Weighted-Average Remaining Contractual Life |
9 years 1 month 6 days |
| Options Exercisable |
|
| Number of Underlying Shares |
130,502 |
| Weighted-Average Remaining Contractual Life |
8 years 8 months 12 days |