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STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2021
Equity [Abstract] |
Share-based Payment Arrangement, Option, Activity | Stock option activity as of June 30, 2021 is set forth below:
| Number of options |  | Weighted- average exercise price |  | Weighted- average remaining contractual life (years) |  | Aggregate intrinsic value
Options outstanding at January 1, 2021 | 8,365 |  |  | $ | 10.68 |  |  | 7.47 |  | $ | 230,596 |
Granted | 72 |  |  | 52.80 |  |  |  |  |
Exercised | (500) |  |  | 6.62 |  |  |  |  |
Repurchased | (220) |  |  | 4.81 |  |  |  |  |
Forfeited and expired | (51) |  |  | 13.12 |  |  |  |  |
Options outstanding at June 30, 2021 | 7,666 |  |  | $ | 11.49 |  |  | 7.12 |  | $ | 596,343 |
Options exercisable at June 30, 2021 | 4,431 |  |  | $ | 7.21 |  |  | 6.09 |  | $ | 363,687 |
Share-based Payment Arrangement, Restricted Stock Unit, Activity | RSU activity for the six months ended June 30, 2021 is set forth below:
| Share units |  | Weighted- average grant date fair value per share
Outstanding at January 1, 2021 | 34 |  |  | $ | 38.08 |
Granted | 561 |  |  | 52.58 |
Vested | — |  |  | — |
Forfeited | — |  |  | — |
Outstanding at June 30, 2021 | 595 |  |  | $ | 51.76 |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award | Stock based compensation expense is included in the consolidated statements of operations as shown in the following table:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Cost of Revenue | $ | — |  |  | $ | — |  |  | $ | 2 |  |  | $ | 1 |
Research and development | 1,105 |  |  | 532 |  |  | 2,216 |  |  | 979 |
Sales and marketing | 72 |  |  | 107 |  |  | 140 |  |  | 180 |
General and administrative | 1,730 |  |  | 1,042 |  |  | 3,100 |  |  | 1,675 |
Total | $ | 2,907 |  |  | $ | 1,681 |  |  | $ | 5,458 |  |  | $ | 2,835 |

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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