Quarterly report pursuant to Section 13 or 15(d)

Statements of Mezzanine Equity and Stockholders??? Deficit (Unaudited)

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Statements of Mezzanine Equity and Stockholders’ Deficit (Unaudited) - USD ($)
$ in Thousands
Series A-1 Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Series B-1 Preferred Stock
Series A-2 Preferred Stock
Series A-2 Prime Preferred Stock
Total
Balance at Dec. 31, 2022 $ 15 $ 33,516 $ (33,997)       $ (466)
Balance (in Shares) at Dec. 31, 2022 15,231,655            
Net loss (14,575)       (14,575)
Issuance of Series A-1 preferred stock, net of issuance costs and allocated fair value of warrant liability $ 25,407      
Issuance of Series A-1 preferred stock, net of issuance costs and allocated fair value of warrant liability (in Shares) 30,190            
Deemed dividends on Series A-1 preferred stock $ 192 (192)       (192)
Issuance of common stock for exercise of options 7       7
Issuance of common stock for exercise of options (in Shares)   2,181            
Stock-based compensation expense 144       144
Balance at Mar. 31, 2023 $ 25,599 $ 15 33,475 (48,572)       (15,082)
Balance (in Shares) at Mar. 31, 2023 30,190 15,233,836            
Balance at Dec. 31, 2023   $ 35 60,697 (64,541) (3,809)
Balance (in Shares) at Dec. 31, 2023   34,756,049     43,649  
Net loss   (20,963) (20,963)
Issuance of Series B-1 preferred stock, net of issuance costs   $ 46,187
Issuance of Series B-1 preferred stock, net of issuance costs (in Shares)       50,000  
Dividends on Series B-1 preferred stock     (208)   (208)
Exchange of Series A-2 preferred stock for Series A-2 Prime preferred stock    
Exchange of Series A-2 preferred stock for Series A-2 Prime preferred stock (in Shares)           (43,649) 21,388.01  
Conversion of Series A-2 Prime preferred stock into common stock   $ 2 (2)    
Conversion of Series A-2 Prime preferred stock into common stock (in Shares)   2,850,000     (1,396.5)  
Issuance of common stock for exercise of options   2   2
Issuance of common stock for exercise of options (in Shares)   581        
Stock-based compensation expense   522 522
Balance at Mar. 31, 2024   $ 37 $ 61,011 $ (85,504) $ 46,187 $ (24,456)
Balance (in Shares) at Mar. 31, 2024   37,606,630     50,000 19,991.51