Equity Compensation (Expense) (Details) - USD ($)
$ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
| Total stock-based compensation expense |
|
|
|
|
| Total stock-based compensation expense |
$ 2,127
|
$ 1,679
|
$ 3,950
|
$ 3,528
|
| Cost of revenue |
|
|
|
|
| Total stock-based compensation expense |
|
|
|
|
| Total stock-based compensation expense |
47
|
39
|
90
|
86
|
| Research and development |
|
|
|
|
| Total stock-based compensation expense |
|
|
|
|
| Total stock-based compensation expense |
890
|
667
|
1,704
|
1,439
|
| Sales and marketing |
|
|
|
|
| Total stock-based compensation expense |
|
|
|
|
| Total stock-based compensation expense |
600
|
387
|
1,109
|
841
|
| General and administrative |
|
|
|
|
| Total stock-based compensation expense |
|
|
|
|
| Total stock-based compensation expense |
590
|
$ 586
|
1,047
|
$ 1,162
|
| Stock options |
|
|
|
|
| Total stock-based compensation expense |
|
|
|
|
| Total unrecognized compensation cost related to non-vested stock option awards |
8,900
|
|
$ 8,900
|
|
| Weighted-average period over which unrecognized compensation cost will be recognized |
|
|
2 years 1 month 6 days
|
|
| Restricted stock units |
|
|
|
|
| Total stock-based compensation expense |
|
|
|
|
| Total unrecognized compensation cost related to non-vested restricted stock units |
$ 9,700
|
|
$ 9,700
|
|
| Weighted-average period over which unrecognized compensation cost will be recognized |
|
|
2 years 7 months 6 days
|
|