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Merger and Related Transactions - Additional Information (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 17, 2023
$ / shares
Mar. 31, 2024
USD ($)
$ / shares
shares
Mar. 31, 2023
USD ($)
$ / shares
Dec. 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