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Merger and Related Transactions - Additional Information (Details) $ / shares in Units, $ in Millions |  | 9 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 17, 2023 $ / shares | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) | Dec. 31, 2023 $ / shares | Mar. 31, 2023 $ / shares
Business Acquisition [Line Items] |  |  |  |  |
Stock issued during period private placement | shares |  | 0.0288 |  |  |
Consideration Transferred |  | $ 29.4 |  |  |
Prepaid and other current assets obtained |  | 2.1 |  |  |
Payables and accruals incurred |  | 2.3 |  |  |
Transaction costs |  | $ 4.6 |  |  |
Common stock par value | $ / shares |  | $ 0.0001 |  | $ 0.0001 |
Severance and termination benefit expense |  | $ 5.7 |  |  |
Acceleration of stock awards |  | $ 10.5 |  |  |
Common Stock |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Shares issued during period upon conversion of units | shares |  | 3,946,540 |  |  |
CalciMedica |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Percentage of ownership of common stock |  | 72.00% |  |  |
Graybug |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Percentage of ownership of common stock |  | 28.00% |  |  |
Graybug |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of shares of stock issued | shares |  | 1,571,433 |  |  |
Common stock par value | $ / shares | $ 0.0001 |  |  |  | $ 0.0001
Reverse Stock Split | 14 |  |  |  |
Acceleration of stock awards |  |  | $ 10.5 |  |

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