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Income Taxes - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2024 USD ($)
Income Tax [Line Items] |
Net change in valuation allowance | $ 1,000,000
Unrecognized tax benefits, tax penalties and interest accrued | 0
Federal |
Income Tax [Line Items] |
Net operating loss carryforwards | 280,200,000
NOL carryforwards began to expire | $ 225,800,000
Net operating loss carryforwards, expiration year | 2025
NOL carryforwards to be carried forward indefinitely | $ 54,400,000
Research tax credit carry forwards | $ 8,300,000
Research and development credits, expiration period | 2025
California |
Income Tax [Line Items] |
Net operating loss carryforwards | $ 193,900,000
Net operating loss carryforwards, expiration year | 2028
Research tax credit carry forwards | $ 2,400,000

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3 + Details
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
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