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Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2025
Schedule of Stock Options Activity | The following table summarized the stock option activity and related information under all stock option plans:
|  | Number of Options |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Life (Years) |  |  | Aggregate Intrinsic Value (in thousands) |
Outstanding as of December 31, 2022 |  |  | 2,686,835 |  |  | $ | 3.34 |  |  |  | 6.77 |  |  | $ | 11,593 |
Exercised |  |  | (131,444 | ) |  |  | 1.80 |  |  |  | — |  |  |  | — |
Forfeited |  |  | (140,661 | ) |  |  | 14.26 |  |  |  | — |  |  |  | — |
Outstanding as of December 31, 2023 |  |  | 2,414,730 |  |  | $ | 2.79 |  |  |  | 5.73 |  |  | $ | 4,004 |
Exercised |  |  | (43,660 | ) |  |  | 1.81 |  |  |  | — |  |  |  | — |
Forfeited |  |  | (398 | ) |  |  | 2.74 |  |  |  | — |  |  |  | — |
Outstanding as of December 31, 2024 |  |  | 2,370,672 |  |  | $ | 2.81 |  |  |  | 4.75 |  |  | $ | 6,055 |
Exercised |  |  | (54,255 | ) |  |  | 2.36 |  |  |  | — |  |  |  | — |
Outstanding as of December 31, 2025 |  |  | 2,316,417 |  |  | $ | 2.81 |  |  |  | 3.76 |  |  | $ | 24,431 |
Vested and exercisable as of December 31, 2025 |  |  | 2,313,355 |  |  | $ | 2.80 |  |  |  | 3.75 |  |  | $ | 24,431 |
Vested and expected to vest as of December 31, 2025 |  |  | 2,316,417 |  |  | $ | 2.81 |  |  |  | 3.76 |  |  | $ | 24,431 |
Schedule of Fair Value Weighted-Average Assumptions | The Company estimated the fair value of the market-based PBRSUs award on the grant date using the Monte Carlo simulation model with the following assumptions:
Expected term (years) |  | 0.5 - 4.7 |
Expected volatility |  |  | 70.9 | %
Risk-free interest rate |  |  | 3.29 | %
Dividend yield |  |  | 0 | %
Share price |  | $ | 5.10 |
Schedule of Restricted Stock Activity | The following table summarizes the Company’s RSU activity for the year ended December 31, 2025:
|  | Shares |  |  | Weighted Average Grant Date Fair Value per Share |
Outstanding as of December 31, 2022 |  |  | 2,388,909 |  |  | $ | 26.11 |
Granted |  |  | 5,143,160 |  |  |  | 6.04 |
Released |  |  | (1,205,704 | ) |  |  | 18.87 |
Forfeited |  |  | (1,126,554 | ) |  |  | 18.21 |
Outstanding as of December 31, 2023 |  |  | 5,199,811 |  |  | $ | 9.65 |
Granted |  |  | 4,502,661 |  |  |  | 3.57 |
Released |  |  | (1,921,646 | ) |  |  | 10.91 |
Forfeited |  |  | (1,230,957 | ) |  |  | 7.63 |
Outstanding as of December 31, 2024 |  |  | 6,549,869 |  |  | $ | 5.48 |
Granted |  |  | 4,709,367 |  |  |  | 7.90 |
Released |  |  | (2,799,331 | ) |  |  | 6.65 |
Forfeited |  |  | (1,322,632 | ) |  |  | 6.13 |
Outstanding as of December 31, 2025 |  |  | 7,137,273 |  |  | $ | 6.51 |
Summary of Stock-Based Compensation Expense | Total stock-based compensation expense by function was as follows (in thousands):
|  | Year ended December 31, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Cost of revenue |  | $ | 414 |  |  | $ | 279 |  |  | $ | 965 |
Research and development expenses |  |  | 12,794 |  |  |  | 16,657 |  |  |  | 16,760 |
General and administrative expenses |  |  | 7,969 |  |  |  | 5,875 |  |  |  | 5,131 |
Sales and marketing expenses |  |  | 666 |  |  |  | 897 |  |  |  | 819 |
Total |  | $ | 21,843 |  |  | $ | 23,708 |  |  | $ | 23,675 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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://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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