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Common Stock (Tables) | 9 Months Ended
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Sep. 30, 2025
Equity [Abstract] |
Schedule Of Common Stock Reserved | The amount of such shares of the Company’s common stock reserved for these purposes at September 30, 2025 is as follows:
Series A-1 Redeemable Convertible Preferred Stock | 1,349,650
Series A-2 Redeemable Convertible Preferred Stock | 1,137,210
Series A-3 Redeemable Convertible Preferred Stock | 899,730
Series A-4 Redeemable Convertible Preferred Stock | 25,761
Series A-5 Redeemable Convertible Preferred Stock | 114,613
Series A-6 Redeemable Convertible Preferred Stock | 5,796,201
Series B-1 Redeemable Convertible Preferred Stock | 5,182,287
Series B-2 Redeemable Convertible Preferred Stock | 2,566,902
Series C Redeemable Convertible Preferred Stock | 5,628,825
Series C-1 Redeemable Convertible Preferred Stock | 1,726,823
Series D Redeemable Convertible Preferred Stock | 4,656,233
Redeemable Convertible Preferred stock warrants | 9,660
Common stock warrants | 121,566
Options to purchase common stock | 9,041,854
Stock options available for future grants | 719,328
Total common stock reserved | 38,976,643
Schedule of Stock Options Valuation Assumptions | The weighted average assumptions used to calculate the fair value of option grants issued under the 2018 Plan during the three and nine months ended September 30, 2025 and 2024 were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Fair value of common stock | $ | 31.74 |  |  | $ | 16.89 |  |  | $ | 25.68 |  |  | $ | 15.68 |
Dividend yield | - | % |  | - | % |  | - | % |  | - | %
Risk-free interest rate | 3.9 | % |  | 4.1 | % |  | 4.2 | % |  | 4.2 | %
Expected volatility | 74 | % |  | 68 | % |  | 73 | % |  | 68 | %
Expected term (in years) | 6.02 |  | 6.05 |  | 6.28 |  | 6.01
Schedule of Stock Option Activity | A summary of the Company’s stock option activity and related information is as follows:
| Number of Options Outstanding |  | Weighted Average Exercise Price Per Share |  | Aggregate Intrinsic Value (in thousands)
Balance as of December 31, 2024 | 6,849,412 |  | $ | 7.28 |  |  | $ | 73,992 |
Granted | 2,721,201 |  | $ | 20.17 |  |  |
Exercised | (252,517) |  | $ | 4.30 |  |  |
Forfeited or expired | (276,242) |  | $ | 14.24 |  |  |
Balance as of September 30, 2025 | 9,041,854 |  | $ | 11.03 |  |  | $ | 268,925 |
Vested and exercisable as of September 30, 2025 | 4,876,287 |  | $ | 5.60 |  |  | $ | 171,507 |
Vested and expected to vest as of September 30, 2025 | 9,041,854 |  | $ | 11.03 |  |  | $ | 268,925 |
Schedule of Stock-Based Compensation Expense | The table below shows stock-based compensation expense included in the statements of operations and comprehensive income (loss) for the three months ended and nine months ended September 30, 2025 and 2024 (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Cost of revenue | $ | 401 |  |  | $ | 284 |  |  | $ | 1,139 |  |  | $ | 848 |
Research and development | 971 |  |  | 554 |  |  | 2,542 |  |  | 1,719 |
Selling, general and administrative | 3,103 |  |  | 1,312 |  |  | 5,900 |  |  | 3,488 |
Total stock-based compensation | $ | 4,475 |  |  | $ | 2,150 |  |  | $ | 9,581 |  |  | $ | 6,055 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(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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