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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Pfizer License Agreement
Common Stock
Common Stock
Pfizer License Agreement
Additional Paid-in Capital
Additional Paid-in Capital
Pfizer License Agreement
Accumulated Other Comprehensive (Loss) Income
Accumulated Deficit
Beginning balance at Dec. 31, 2022 $ 160,824   $ 34   $ 373,225     $ (212,435)
Beginning Balance, Shares at Dec. 31, 2022     34,958,730          
Issuance of common stock   $ 5,000   $ 2   $ 4,998    
Issuance of common stock (Shares)       1,811,594        
Issuance of restricted common stock, net of tax withholdings 2   $ 1   1      
Issuance of restricted common stock, net of tax withholdings, (Shares)     148,047          
Stock-based compensation 4,884       4,884      
Net unrealized (loss) gain on marketable debt securities 696           $ 696  
Net loss (19,243)             (19,243)
Ending balance at Mar. 31, 2023 152,163   $ 37   383,108   696 (231,678)
Ending balance (in shares) at Mar. 31, 2023     36,918,371          
Beginning balance at Dec. 31, 2022 160,824   $ 34   373,225     (212,435)
Beginning Balance, Shares at Dec. 31, 2022     34,958,730          
Shares issued pursuant to the ATM program, net of commission (shares)     1,001,208          
Net unrealized (loss) gain on marketable debt securities (85)              
Net loss (35,144)              
Ending balance at Jun. 30, 2023 145,275   $ 39   392,900   (85) (247,579)
Ending balance (in shares) at Jun. 30, 2023     39,376,941          
Beginning balance at Mar. 31, 2023 152,163   $ 37   383,108   696 (231,678)
Beginning Balance, Shares at Mar. 31, 2023     36,918,371          
Vesting of restricted common stock (Shares)     1,436,866          
Vesting of restricted common stock 1   $ 1          
Shares issued pursuant to the ATM program, net of commission (shares)     1,001,208          
Shares issued pursuant to the ATM program, net of commission 6,122   $ 1   6,121      
Stock options exercised 3       3      
Stock options exercised (Shares)     20,496          
Stock-based compensation 3,668       3,668      
Net unrealized (loss) gain on marketable debt securities (781)           (781)  
Net loss (15,901)             (15,901)
Ending balance at Jun. 30, 2023 145,275   $ 39   392,900   (85) (247,579)
Ending balance (in shares) at Jun. 30, 2023     39,376,941          
Beginning balance at Dec. 31, 2023 125,704   $ 45   411,821   63 (286,225)
Beginning Balance, Shares at Dec. 31, 2023     44,754,853          
Issuance of common stock in private placement, net of offering costs (See Note 7) (Shares)     8,849,371          
Issuance of common stock in private placement, net of offering costs (See Note 7) 39,172   $ 9   39,163      
Issuance of common stock pursuant to at-the-market program, net of offering costs (See Note 7) (Shares)     3,600,000          
Issuance of common stock pursuant to at-the-market program, net of offering costs (See Note 7) 10,590   $ 4   10,586      
Issuance of pre-funded warrants in private placement, net of offering costs (See Note 8) 7,700       7,700      
Issuance of restricted common stock, net of tax withholdings (196)   $ 1   (197)      
Issuance of restricted common stock, net of tax withholdings, (Shares)     1,497,921          
Stock options exercised 245       245      
Stock options exercised (Shares)     100,981          
Stock-based compensation 4,320       4,320      
Net unrealized (loss) gain on marketable debt securities (123)           (123)  
Net loss (3,256)             (3,256)
Ending balance at Mar. 31, 2024 184,156   $ 59   473,638   (60) (289,481)
Ending balance (in shares) at Mar. 31, 2024     58,803,126          
Beginning balance at Dec. 31, 2023 $ 125,704   $ 45   411,821   63 (286,225)
Beginning Balance, Shares at Dec. 31, 2023     44,754,853          
Shares issued pursuant to the ATM program, net of commission (shares)     3,600,000          
Stock options exercised (Shares) 122,551              
Net unrealized (loss) gain on marketable debt securities $ (165)              
Net loss (20,557)              
Ending balance at Jun. 30, 2024 169,794   $ 59   476,619   (102) (306,782)
Ending balance (in shares) at Jun. 30, 2024     58,914,712          
Beginning balance at Mar. 31, 2024 184,156   $ 59   473,638   (60) (289,481)
Beginning Balance, Shares at Mar. 31, 2024     58,803,126          
Issuance of common stock under employee stock purchase plan ("ESPP") 105       105      
Issuance of common stock under employee stock purchase plan ("ESPP") (Shares)     59,882          
Issuance of restricted common stock, net of tax withholdings (43)       (43)      
Issuance of restricted common stock, net of tax withholdings, (Shares)     30,553          
Stock options exercised 48       48      
Stock options exercised (Shares)     21,151          
Stock-based compensation 2,871       2,871      
Net unrealized (loss) gain on marketable debt securities (42)           (42)  
Net loss (17,301)             (17,301)
Ending balance at Jun. 30, 2024 $ 169,794   $ 59   $ 476,619   $ (102) $ (306,782)
Ending balance (in shares) at Jun. 30, 2024     58,914,712