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Summary of Significant Accounting Policies - Additional Information (Details) | 1 Months Ended | 12 Months Ended
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May 31, 2024 shares | Nov. 30, 2020 shares | Dec. 31, 2024 USD ($) Segment | Dec. 31, 2023 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Stockholders equity note stock split exchange ratio |  |  | 0.0288 |
Depreciation expense |  |  | $ 58,000 | $ 58,000
Lease term |  |  | 12 months |
Rent expenses |  |  | $ 121,000 | 274,000
Right-of-use asset or lease liability |  |  | $ 0 |
Tax postion, minimum percentage of tax benefit |  |  | 50.00% |
Variable interest entity ownership percentage |  |  | 5.00% |
Number of business segments | Segment |  |  | 1 |
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] |  |  | srt:ChiefExecutiveOfficerMember |
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description |  |  | The CODM makes decisions on resource allocation, assesses performance of the business, and monitors budget versus actual results using income from operations. Net loss is also a measure that is considered in monitoring budget versus actual results. The measure of segment assets is reported on the consolidated balance sheets as total consolidated assets. |
Company recorded expense |  |  | $ 13,000 |
Private CalciMedica |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Costs and expenses related party |  |  | $ 289,000 | $ 521,000
Chief Financial Officer |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Warrants granted during the period | shares | 10,000 | 400,000 |  |

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
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