|
Net Loss per Share of Common Stock (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Earnings Per Share [Abstract] |
|
|
|
| Net loss attributable to common stockholders |
$ (8,819) |
$ (756) |
$ (38,675) |
| Weighted-average number of shares used in computing net loss per share of common stock, basic and diluted |
44,958,120 |
42,966,448 |
9,698,880 |
| Net loss per share of common stock, basic and diluted, usd per share |
$ (0.20) |
$ (0.02) |
$ (3.99) |
|
Redeemable convertible preferred stock
|
|
|
|
| Antidilutive potential common shares excluded from computation of diluted net loss per share |
|
|
|
| Antidilutive potential common shares |
850,351 |
254,863 |
0 |
|
Stock options to purchase common stock
|
|
|
|
| Antidilutive potential common shares excluded from computation of diluted net loss per share |
|
|
|
| Antidilutive potential common shares |
6,468,743 |
7,426,417 |
8,229,597 |
|
Common stock subject to repurchase
|
|
|
|
| Antidilutive potential common shares excluded from computation of diluted net loss per share |
|
|
|
| Antidilutive potential common shares |
0 |
7,500 |
15,000 |
|
Common and preferred stock warrants
|
|
|
|
| Antidilutive potential common shares excluded from computation of diluted net loss per share |
|
|
|
| Antidilutive potential common shares |
912,368 |
912,368 |
912,368 |