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STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Restricted Stock Units Activity | The following table summarizes the restricted stock unit activities under the Company’s 2016 Plan, the 2021 Plan and the 2022 Inducement Plan:
| Restricted Stock Units
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Unvested—December 31, 2024 | 5,225,948 |  |  | $ | 7.00 |
Granted | 1,618,635 |  |  | $ | 8.00 |
Vested | (1,151,761) |  |  | $ | 7.14 |
Canceled | (104,915) |  |  | $ | 8.10 |
Unvested—June 30, 2025 | 5,587,907 |  |  | $ | 7.24 |
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions | The following table summarizes the ESPP valuation assumptions:
|  | Six Months Ended June 30,
|  | 2025 |  | 2024
Expected volatility |  | 72.0% |  | 74.4%
Expected term (in years) |  | 0.5 |  | 0.5
Risk-free interest rate |  | 4.3% |  | 5.4%
Expected dividend yield |  | 0% |  | 0%
Schedule of Stock-Based Compensation Related to Stock-Based Awards to Employees | The following table presents the amount of stock-based compensation related to stock-based awards to employees on the Company’s unaudited condensed consolidated statements of operations (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30, |  |
| 2025 |  | 2024 |  | 2025 |  | 2024 |  |  |  |
Cost of revenue | $ | 232 |  |  | $ | 186 |  |  | $ | 437 |  |  | $ | 375 |  |  |  |  |
Research and development | 1,926 |  |  | 1,788 |  |  | 3,898 |  |  | 3,396 |  |  |  |  |
Sales and marketing | 1,048 |  |  | 657 |  |  | 2,017 |  |  | 1,380 |  |  |  |  |
General and administrative | 1,291 |  |  | 1,129 |  |  | 2,457 |  |  | 2,266 |  |  |  |  |
Total stock-based compensation | $ | 4,497 |  |  | $ | 3,760 |  |  | $ | 8,809 |  |  | $ | 7,417 |  |  |  |  |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 50 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718-50/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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