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Summary of Significant Accounting Policies - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |
Stockholders equity note stock split exchange ratio | 0.0288 |
Depreciation expense | $ 58,000 | $ 52,000
Lease term | 12 months |
Rent expense | $ 274,000 | 221,000
Right-of-use asset or lease liability | 0 |
Impairment of long-lived assets | $ 0 | 0
Tax postion, minimum percentage of tax benefit | 50.00% |
Variable interest entity ownership percentage | 5.00% |
Private CalciMedica |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Deferred offering costs |  | 1,400,000
Costs and expenses related party | $ 521,000 | $ 223,000
ATM |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Deferred offering costs | $ 400,000 |

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