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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Summary of Disaggregated Amounts of Operating Expenses |
|  | Years Ended December 31, |
|  | 2024 |  |  | 2023 |
Segment research and development (a) (b) |  | $ | (13,607 | ) |  | $ | (13,380 | )
Segment general and administrative (b) |  |  | (8,226 | ) |  |  | (12,598 | )
Stock-based compensation (see Note 8) |  |  | (2,313 | ) |  |  | (12,039 | )
Depreciation expense (see Note 2) |  |  | (58 | ) |  |  | (58 | )
Operating loss |  | $ | (24,204 | ) |  | $ | (38,075 | )
Reconciliation of profit or loss |  |  |  |  |  |
Adjustments and reconciling items |  |  | — |  |  |  | — |
Consolidated operating loss |  | $ | (24,204 | ) |  | $ | (38,075 | )
a) Stock-based compensation expense of $840,000 and $2,449,000, related to research and development and $1,473,000 and $9,590,000, related to general and administration have been excluded for the years ended December 31, 2024 and 2023, respectively. b) Depreciation expense of $31,000 and $29,000, related to research and development and $28,000 and $28,000, related general and administration have been excluded for the years ended December 31, 2024 and 2023, respectively.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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