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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Schedule of stock option activity under plans |
|  |  |  |  | Options outstanding |
|  |  |  |  |  |  |  | Weighted |
|  | Shares |  |  |  |  |  | Average |
|  | Available |  |  | Number of |  |  | Exercise |
|  | for Grant |  |  | Shares |  |  | Prices |
Balance as of January 1, 2021 |  |  | 356 |  |  |  | 1,053 |  |  | $ | 2.54 |
Additional shares authorized under the Plans |  |  | 3,107 |  |  |  | — |  |  |  | — |
RSUs granted |  |  | (30 | ) |  |  | — |  |  |  | — |
Options granted |  |  | (409 | ) |  |  | 409 |  |  | $ | 3.00 |
Options exercised |  |  | — |  |  |  | (20 | ) |  | $ | 1.72 |
Options cancelled and returned to the Plans |  |  | — |  |  |  | (42 | ) |  | $ | 2.72 |
Effect of business combination |  |  | — |  |  |  | 158 |  |  | $ | 10.35 |
Balance as of December 31, 2021 |  |  | 3,024 |  |  |  | 1,558 |  |  | $ | 3.49 |
RSUs granted |  |  | (1,732 | ) |  |  | — |  |  | $ | — |
RSUs cancelled and returned to the Plans |  |  | 264 |  |  |  | — |  |  | $ | — |
Options cancelled |  |  | — |  |  |  | (59 | ) |  | $ | 6.27 |
Balance as of December 31, 2022 |  |  | 1,556 |  |  |  | 1,499 |  |  | $ | 3.32 |
Schedule of significant ranges of outstanding and exercisable options |
|  | Options Outstanding |  |  | Options Exercisable |
|  |  |  |  | Weighted |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  | Average |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  | Remaining |  |  | Weighted |  |  |  |  |  | Weighted |  |  |  |
|  |  |  |  | Contractual |  |  | Average |  |  |  |  |  | Average |  |  | Aggregate |
|  | Number |  |  | Life |  |  | Exercise |  |  | Number |  |  | Exercise |  |  | Intrinsic |
Range of Exercise Price |  | Outstanding |  |  | (in Years) |  |  | Price |  |  | Exercisable |  |  | Price |  |  | value |
$1.57 - $14.99 |  |  | 1,489 |  |  |  | 7.64 |  |  | $ | 2.65 |  |  |  | 861 |  |  | $ | 2.57 |  |  | $ | — |
$15.00 - $25.59 |  |  | 4 |  |  |  | 0.74 |  |  | $ | 15.00 |  |  |  | 4 |  |  | $ | 15.00 |  |  | $ | — |
$25.60 - $143.99 |  |  | 1 |  |  |  | 1.67 |  |  | $ | 50.00 |  |  |  | 1 |  |  | $ | 50.00 |  |  | $ | — |
$144.00 - $409.99 |  |  | 4 |  |  |  | 3.46 |  |  | $ | 144.00 |  |  |  | 4 |  |  | $ | 144.00 |  |  | $ | — |
$410.00 - $924.00 |  |  | 1 |  |  |  | 1.69 |  |  | $ | 410.00 |  |  |  | 1 |  |  | $ | 410.00 |  |  | $ | — |
$1.57 - $924.00 |  |  | 1,499 |  |  |  |  |  |  | $ | 3.32 |  |  |  | 871 |  |  | $ | 3.74 |  |  | $ | — |
Schedule of RSU activity under plans |
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  | Number of |  |  | Grant-Date |
|  | Shares |  |  | Fair Value |
Non-vested shares as of December 31, 2020 |  |  | — |  |  | $ | 0.00 |
Granted |  |  | 30 |  |  | $ | 5.07 |
Vested |  |  | (10 | ) |  | $ | 4.21 |
Effect of business combination |  |  | 68 |  |  | $ | 4.21 |
Non-vested shares as of December 31, 2021 |  |  | 88 |  |  | $ | 4.50 |
Granted |  |  | 1,732 |  |  | $ | 2.10 |
Vested |  |  | (589 | ) |  | $ | 2.29 |
Cancelled |  |  | (174 | ) |  | $ | 2.19 |
Non-vested shares as of December 31, 2022 |  |  | 1,057 |  |  | $ | 2.06 |

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