v3.6.0.2

Stockholders' equity (Tables) | 12 Months Ended
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Dec. 31, 2016
Stockholders' equity |
Schedule of amount of shares of common stock reserved |
|  | December 31, 2016 |  | December 31, 2015 |
|  | (in thousands) |
Outstanding stock options under the 2001 Plan |  |  | 1,090 |  |  | 1,220 |
Outstanding stock options under the 2011 Plan |  |  | 1,994 |  |  | 2,528 |
Outstanding RSUs under the 2011 Plan |  |  | 3,825 |  |  | 1,819 |
Shares available for grant under the 2011 Plan |  |  | 2,576 |  |  | 3,682 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total |  |  | 9,485 |  |  | 9,249 |
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