v3.19.3

Stock incentive plans - Plans (Details) - shares | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Stock options |  |
Stock incentive plans |  |
Number of options outstanding | 277,000 | 304,000
Stock options | 2011 Plan |  |
Stock incentive plans |  |
Number of options outstanding | 269,000 |
RSUs | 2011 Plan |  |
Stock incentive plans |  |
RSUs outstanding | 800,000 |

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