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Share-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 01, 2025 shares | Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) plan $ / shares shares | Sep. 30, 2024 USD ($) | Jan. 01, 2024 shares | Dec. 31, 2023 shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Number of equity incentive plans | plan |  |  |  | 2 |  |  |
Options and RSU's outstanding (in shares) | 10,350,022 | 11,186,118 |  | 11,186,118 |  |  |
Additional number of shares authorized (in shares) | 2,383,545 |  |  |  |  |  |
Common stock reserved for future issuance (in shares) | 3,303,948 |  |  |  |  |  |
Increase in common stock reserve for future issuance (in shares) | 953,418 |  |  |  |  |  |
2009 Plan |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Stock options issued (in shares) |  | 1,153,861 |  | 1,153,861 |  |  |
Stock options outstanding (in shares) |  | 1,153,861 |  | 1,153,861 |  |  |
Share-based compensation arrangement by share-based payment award, expiration period |  |  |  | 10 years |  |  |
Exercise of options and vesting of restricted stock units (in shares) |  |  |  | 67,300 |  |  |
Forfeitures (in shares) |  |  |  | 19,887 |  |  |
Compensation expense | $ |  | $ 0.2 | $ 0.1 | $ 0.4 | $ 0.4 |  |
Unrecognized compensation expense, options | $ |  | 0.2 |  | 0.2 |  |  |
Unrecognized compensation expense, RSUs | $ |  | $ 0.1 |  | $ 0.1 |  |  |
Unrecognized compensation expense, recognition period |  |  |  | 9 months |  |  |
Options and RSU's outstanding (in shares) |  | 1,179,218 |  | 1,179,218 |  |  |
2009 Plan | Minimum |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based payment arrangement, contractual term |  |  |  | 1 year |  |  |
2009 Plan | Maximum |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based payment arrangement, contractual term |  |  |  | 4 years |  |  |
2023 Plan |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Stock options issued (in shares) |  | 5,298,720 |  | 5,298,720 |  |  |
Stock options outstanding (in shares) |  | 5,298,720 |  | 5,298,720 |  |  |
Exercise of options and vesting of restricted stock units (in shares) |  |  |  | 54,906 |  |  |
Forfeitures (in shares) |  |  |  | 574,641 |  |  |
Compensation expense | $ |  | $ 3.1 | $ 1.1 | $ 6.4 | $ 3.2 |  |
Unrecognized compensation expense, options | $ |  | $ 11.1 |  | $ 11.1 |  |  |
Unrecognized compensation expense, recognition period |  |  |  | 2 years 9 months 18 days |  |  |
Options and RSU's outstanding (in shares) |  | 10,006,900 |  | 10,006,900 |  |  | 5,585,008
Share reserve increase, number of years |  |  |  | 10 years |  |  |
Share reserve increase, percentage of common stock |  |  |  | 5.00% |  |  |
Options granted (in shares) |  |  |  | 2,577,713 |  |  |
Options, weighted average fair value (in dollars per share) | $ / shares |  |  |  | $ 5.04 |  |  |
RSUs | 2009 Plan |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Restricted stock units outstanding (in shares) |  | 25,357 |  | 25,357 |  |  |
Restricted stock units issued (in shares) |  | 25,357 |  | 25,357 |  |  |
RSUs released (in shares) |  |  |  | 8,322 |  |  |
RSUs | 2023 Plan |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Restricted stock units outstanding (in shares) |  | 687,546 |  | 687,546 |  |  |
Restricted stock units issued (in shares) |  | 687,546 |  | 687,546 |  |  |
RSUs released (in shares) |  |  |  | 288,216 |  |  |
RSUs forfeited (in shares) |  |  |  | 52,375 |  |  |
RSU weighted average fair value (in dollars per share) | $ / shares |  |  |  | $ 4.90 |  |  |
Employee Stock |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Common stock reserved for future issuance (in shares) |  |  |  |  |  | 2,350,530 |
Share-based compensation arrangement by share-based payment award, automatic increase period |  |  |  | 10 years |  |  |
Share-based compensation arrangement by share-based payment award, automatic increase, percentage of total shares |  |  |  | 0.02 |  |  |
Share-based compensation arrangement by share-based payment award, automatic increase, percentage of initial share reserve |  |  |  | 2 |  |  |
Shares purchased in ESPP offering (in shares) |  |  |  | 49,939 |  |  |
Restricted And Performance Stock Units | 2023 Plan |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |  |
Restricted stock units outstanding (in shares) |  | 772,312 |  | 772,312 |  |  |
Restricted stock units issued (in shares) |  | 772,312 |  | 772,312 |  |  |
Unrecognized compensation expense | $ |  | $ 3.5 |  | $ 3.5 |  |  |

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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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