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Share-based Compensation | 9 Months Ended
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Sep. 30, 2020
Share-based Payment Arrangement [Abstract] |
Share-based Compensation | Share-based Compensation The Company included the following amounts for share-based compensation awards in the unaudited condensed consolidated statements of operations (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Cost of revenues | $ | 308 |  |  | $ | 202 |  |  | $ | 1,296 |  |  | $ | 899 |
Research and development | 491 |  |  | 183 |  |  | 2,292 |  |  | 1,315 |
Sales and marketing | 531 |  |  | 307 |  |  | 1,810 |  |  | 1,339 |
General and administrative | 877 |  |  | 561 |  |  | 2,790 |  |  | 2,402 |
Total | $ | 2,207 |  |  | $ | 1,253 |  |  | $ | 8,188 |  |  | $ | 5,955 |
Stock Options The following table summarizes the Company’s stock option activity:
Outstanding — December 31, 2019 | 9,044,304 |  |  |  |  |  |  |
Granted | 1,526,000 |  |  |  |  |  |  |
Exercised | (910,490) |  |  |  |  |  |  |
Canceled | (450,777) |  |  |  |  |  |  |
Outstanding — September 30, 2020 | 9,209,037 |  |  |  |  |  |  |
Exercisable — September 30, 2020 | 4,034,796 |  |  |  |  |  |  |
At September 30, 2020, total unrecognized compensation expense related to stock options was $13.6 million, which is expected to be recognized over a weighted-average period of 2.66 years. Restricted Stock Units The following table summarizes the Company’s restricted stock unit (“RSU”) activity:
Non-vested — December 31, 2019 | 400,315 |
Granted | 437,413 |
Vested | (486,092) |
Forfeited | (4,584) |
Non-vested — September 30, 2020 | 347,052 |
At September 30, 2020, total unrecognized compensation expense related to RSUs was $1.4 million, which is expected to be recognized over a weighted-average period of 1.82 years.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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- References No definition available. + Details
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