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v3.25.3

Stock-Based Awards - Schedule of Share-based Compensation Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) $ / shares shares
2021 Equity Incentive Plan [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Number of Options Outstanding, Beginning balance | shares | 16,658 |
Number of Options Outstanding, Options granted | shares | 7,823 |
Number of Options Outstanding, Options exercised | shares | (181) |
Number of Options Outstanding, Options expired/forfeited/cancelled | shares | (324) |
Number of Options Outstanding, Ending balance | shares | 23,976 | 16,658
Number of Options exercisable | shares | 10,148 |
Number of Options Exercisable and Expected to Vest | shares | 23,976 |
Number of RSUs Outstanding, Beginning balance | shares | 501 |
Number of RSUs Outstanding, RSUs forfeited | shares | (100) |
Number of RSUs Outstanding, RSUs vested | shares | (67) |
Number of RSUs Outstanding, Ending balance | shares | 334 | 501
Weighted Average Exercise Price of Options Outstanding, Beginning balance | $ / shares | $ 1.3 |
Weighted Average Exercise Price of Options Outstanding, Options granted | $ / shares | 0.56 |
Weighted Average Exercise Price of Options, Options exercised | $ / shares | 1.22 |
Weighted Average Exercise Price of Options Outstanding, Options expired/forfeited/cancelled | $ / shares | 1.05 |
Weighted Average Exercise Price of Options Outstanding, Ending balance | $ / shares | 1.06 | $ 1.3
Weighted Average Exercise Price of Options exercisable | $ / shares | 1.34 |
Weighted Average Exercise Price of Options exercisable and expected to vest | $ / shares | 1.06 |
Weighted Average Grant Date Fair Value Per Share, Beginning balance | $ / shares | 1.24 |
Weighted Average Grant Date Fair Value Per Share, RSUs forfeited | $ / shares | 0.21 |
Weighted Average Grant Date Fair Value Per Share, RSUs Vested | $ / shares | 1.5 |
Weighted Average Grant Date Fair Value Per Share, Ending balance | $ / shares | $ 1.5 | $ 1.24
Weighted Average Remaining Contractual Team (Years),Options Outstanding | 8 years 1 month 6 days | 8 years 2 months 23 days
Weighted Average Remaining Contractual Team (Years),Options exercisable | 7 years 1 month 28 days |
Weighted Average Remaining Contractual Team (Years), Options exercisable and expected to vest | 8 years 1 month 6 days |
Aggregate Intrinsic Value, Options Outstanding | $ | $ 15,061 | $ 0
Aggregate Intrinsic Value, Options exercisable | $ | 3,570 |
Aggregate Intrinsic Value, Options exercisable and expected to vest | $ | $ 15,061 |
2012 Equity Incentive Plan and 2018 Inducement Option [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Number of Options Outstanding, Beginning balance | shares | 10,068 |
Number of Options Outstanding, Options exercised | shares | (441) |
Number of Options Outstanding, Options expired/forfeited/cancelled | shares | (1,311) |
Number of Options Outstanding, Ending balance | shares | 8,316 | 10,068
Weighted Average Exercise Price of Options Outstanding, Beginning balance | $ / shares | $ 1.84 |
Weighted Average Exercise Price of Options, Options exercised | $ / shares | 0.97 |
Weighted Average Exercise Price of Options Outstanding, Options expired/forfeited/cancelled | $ / shares | 2.33 |
Weighted Average Exercise Price of Options Outstanding, Ending balance | $ / shares | $ 1.81 | $ 1.84

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting 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)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(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)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit 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)(2)(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)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -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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