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Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) - USD ($)
Total
Convertible Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2021 [1] $ (63,987,000)   $ 1,000 $ 39,895,000 $ (103,883,000)  
Beginning Balance, Shares at Dec. 31, 2021 [1]     78,527      
Temporary equity, Beginning balance at Dec. 31, 2021 [1]   $ 62,071,000        
Temporary equity, Beginning balance, Shares at Dec. 31, 2021 [1]   84,820,880        
Issuance of common stock for services, shares     1,138      
Issuance of common stock for services 8,000     8,000    
Exercise of common stock options 18,000     18,000    
Exercise of common stock options, Shares     4,500      
Stock-based compensation expense 1,799,000     1,799,000    
Deemed distribution (1,318,000)     (1,318,000)    
Net loss [1] (7,824,000)       (7,824,000)  
Temporary equity, Ending balance at Dec. 31, 2022 [2]   $ 62,071,000        
Temporary equity, Ending balance, Shares at Dec. 31, 2022 [2]   84,820,880        
Ending Balance at Dec. 31, 2022 (71,304,000) [3]   $ 1,000 [2] 40,402,000 [2] (111,707,000) [2]  
Ending Balance, Shares at Dec. 31, 2022 [2]     84,165      
Stock-based compensation expense 12,039,000     12,039,000    
Conversion of preferred stock to common stock as a result of the Merger, shares     2,442,852      
Conversion of preferred stock to common stock as a result of the Merger, shares   (84,820,880)        
Conversion of preferred stock to common stock as a result of the Merger, value 62,071,000     62,071,000    
Conversion of preferred stock to common stock as a result of the Merger, value   $ (62,071,000)        
Issuance of common stock to Graybug stockholders as a result of Merger and reset to par of $0.0001, Shares     1,571,433      
Issuance of common stock to Graybug stockholders as a result of Merger and reset to par of $0.0001 29,218,000     29,218,000    
Issuance of common shares from private placement (net of issuance costs), shares     596,363      
Issuance of common shares from private placement (net of issuance costs) 10,340,000     10,340,000    
Conversion of promissory notes into common stock, shares     590,031      
Conversion of promissory notes into common stock 3,245,000     3,245,000    
Conversion of Series C-2 warrants into common stock, share     80,254      
Conversion of Series C-2 warrants into common stock 442,000     442,000    
Conversion of promissory note warrants into common stock, shares     152,875      
Conversion of promissory note warrants into common stock 841,000     841,000    
Merger transaction costs (4,545,000)     (4,545,000)    
Restricted stock units net settlement, shares     143,960      
Restricted stock units net settlement (297,000)     (297,000)    
Reclassification of warrant liability to equity 216,000     216,000    
Issuance of common stock (net of issuance costs) 246,000     246,000    
Issuance of common stock (net of issuance costs), shares     92,572      
Unrealized gain on investments 2,000         $ 2,000
Net loss (34,357,000)       (34,357,000)  
Ending Balance at Dec. 31, 2023 $ 8,157,000 [3]   $ 1,000 $ 154,218,000 $ (146,064,000) $ 2,000
Ending Balance, Shares at Dec. 31, 2023     5,754,505      
[1]

(1) Retroactively restated for the reverse recapitalization as described in Note 2.
[2]

(1) Retroactively restated for the reverse recapitalization as described in Note 2.
[3]

(1) Retroactively restated for the reverse recapitalization as described in Note 2.