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UNAUDITED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY - USD ($)
$ in Thousands
Common stock
Additional paid-in capital
Accumulated deficit
Total
Beginning balance at Dec. 31, 2022 $ 2 $ 1,197 $ (158,223) $ (142,670)
Stockholders' (Deficit) Equity        
Exercise of stock options (in shares) 128,716      
Exercise of stock options   187   187
Stock-based compensation   2,316   2,316
Sale of common stock under Open Market Sales Agreement, net of issuance costs (in shares) 226,533      
Sale of common stock under Open Market Sales Agreement, net of issuance costs   597   597
Net loss     (86,879) $ (86,879)
Ending balance (in shares) at Dec. 31, 2023 40,609,915     40,609,915
Ending balance at Dec. 31, 2023 $ 40 271,594 (245,102) $ 26,532
Stockholders' (Deficit) Equity        
Exercise of stock options (in shares) 1,579      
Exercise of stock options   2   2
Stock-based compensation   1,057   1,057
Sale of common stock under Open Market Sales Agreement, net of issuance costs (in shares) 931,250,000      
Sale of common stock under Open Market Sales Agreement, net of issuance costs $ 1 2,281   2,282
Net loss     (18,978) (18,978)
Ending balance (in shares) at Mar. 31, 2024 41,542,744      
Ending balance at Mar. 31, 2024 $ 41 274,934 (264,080) $ 10,895
Beginning balance (in shares) at Dec. 31, 2023 40,609,915     40,609,915
Beginning balance at Dec. 31, 2023 $ 40 271,594 (245,102) $ 26,532
Stockholders' (Deficit) Equity        
Exercise of stock options (in shares) 3,810     3,810
Exercise of stock options   4   $ 4
Stock-based compensation   3,649   3,649
Sale of common stock under Open Market Sales Agreement, net of issuance costs (in shares) 1,136,384      
Sale of common stock under Open Market Sales Agreement, net of issuance costs $ 1 2,382   2,383
Net loss     (60,477) $ (60,477)
Ending balance (in shares) at Dec. 31, 2024 41,750,109     41,750,109
Ending balance at Dec. 31, 2024 $ 41 277,629 (305,579) $ (27,909)
Stockholders' (Deficit) Equity        
Exercise of stock options (in shares) 37,987     37,987
Exercise of stock options   5   $ 5
Stock-based compensation   508   508
Net loss     (9,266) $ (9,266)
Ending balance (in shares) at Mar. 31, 2025 41,788,096     41,788,096
Ending balance at Mar. 31, 2025 $ 41 $ 278,142 $ (314,845) $ (36,662)