v3.26.3
CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive (Loss) Income
Accumulated Deficit
Total
Balance at the beginning at Dec. 31, 2024 $ 2 $ 445,602 $ 4 $ (380,136) $ 65,472
Balance at the beginning (in shares) at Dec. 31, 2024 2,333,896        
Increase (Decrease) in Stockholders' Deficit          
Stock based compensation   1,363     1,363
Unrealized gain (loss) on marketable securities, net of tax     (4)   (4)
Net loss       (10,976) (10,976)
Balance at the end at Mar. 31, 2025 $ 2 446,965   (391,112) 55,855
Balance at the end (in shares) at Mar. 31, 2025 2,333,896        
Balance at the beginning at Dec. 31, 2024 $ 2 445,602 4 (380,136) 65,472
Balance at the beginning (in shares) at Dec. 31, 2024 2,333,896        
Increase (Decrease) in Stockholders' Deficit          
Net loss         (46,408)
Balance at the end at Sep. 30, 2025 $ 3 450,170 17 (426,544) 23,646
Balance at the end (in shares) at Sep. 30, 2025 2,676,110        
Balance at the beginning at Dec. 31, 2024 $ 2 445,602 4 (380,136) 65,472
Balance at the beginning (in shares) at Dec. 31, 2024 2,333,896        
Balance at the end at Dec. 31, 2025 $ 4 470,898 21 (435,980) $ 34,943
Balance at the end (in shares) at Dec. 31, 2025 3,505,621       3,505,621
Balance at the beginning at Mar. 31, 2025 $ 2 446,965   (391,112) $ 55,855
Balance at the beginning (in shares) at Mar. 31, 2025 2,333,896        
Increase (Decrease) in Stockholders' Deficit          
Stock based compensation   587     587
Issuance of shares under ESPP   19     19
Issuance of shares under ESPP (in shares) 3,620        
Unrealized gain (loss) on marketable securities, net of tax     (7)   (7)
Net loss       (26,808) (26,808)
Balance at the end at Jun. 30, 2025 $ 2 447,571 (7) (417,920) 29,646
Balance at the end (in shares) at Jun. 30, 2025 2,337,516        
Increase (Decrease) in Stockholders' Deficit          
Stock based compensation   600     600
Reclass of mezzanine equity $ 1 1,999     2,000
Reclass of mezzanine equity (in shares) 338,636        
Unrealized gain (loss) on marketable securities, net of tax     24   24
Reverse Split (1 for 12) adjustment (in shares) (42)        
Net loss       (8,624) (8,624)
Balance at the end at Sep. 30, 2025 $ 3 450,170 17 (426,544) 23,646
Balance at the end (in shares) at Sep. 30, 2025 2,676,110        
Balance at the beginning at Dec. 31, 2025 $ 4 470,898 21 (435,980) $ 34,943
Balance at the beginning (in shares) at Dec. 31, 2025 3,505,621       3,505,621
Increase (Decrease) in Stockholders' Deficit          
Stock based compensation   344     $ 344
Exercise of stock options   14     14
Exercise of stock options (in shares) 2,488        
Issuances of shares from at-the-market sales, net of expenses   1,234     1,234
Issuances of shares from at-the-market sales, net of expenses (in shares) 99,446        
Unrealized gain (loss) on marketable securities, net of tax     (23)   (23)
Net loss       (9,796) (9,796)
Balance at the end at Mar. 31, 2026 $ 4 472,490 (2) (445,776) 26,716
Balance at the end (in shares) at Mar. 31, 2026 3,607,555        
Balance at the beginning at Dec. 31, 2025 $ 4 470,898 21 (435,980) $ 34,943
Balance at the beginning (in shares) at Dec. 31, 2025 3,505,621       3,505,621
Increase (Decrease) in Stockholders' Deficit          
Exercise of stock options (in shares)         2,488
Net loss         $ (31,534)
Balance at the end at Sep. 30, 2026 $ 5 473,012   (467,514) $ 5,503
Balance at the end (in shares) at Sep. 30, 2026 4,577,359       4,577,359
Balance at the beginning at Mar. 31, 2026 $ 4 472,490 (2) (445,776) $ 26,716
Balance at the beginning (in shares) at Mar. 31, 2026 3,607,555        
Increase (Decrease) in Stockholders' Deficit          
Stock based compensation   304     304
Issuance of shares under ESPP   22     22
Issuance of shares under ESPP (in shares) 4,541        
Exercise of pre-funded warrants (in shares) 456,855        
Unrealized gain (loss) on marketable securities, net of tax     (1)   (1)
Net loss       (14,892) (14,892)
Balance at the end at Jun. 30, 2026 $ 4 472,816 (3) (460,668) 12,149
Balance at the end (in shares) at Jun. 30, 2026 4,068,951        
Increase (Decrease) in Stockholders' Deficit          
Stock based compensation   196     196
Exercise of pre-funded warrants $ 1       1
Exercise of pre-funded warrants (in shares) 508,408        
Unrealized gain (loss) on marketable securities, net of tax     $ 3   3
Net loss       (6,846) (6,846)
Balance at the end at Sep. 30, 2026 $ 5 $ 473,012   $ (467,514) $ 5,503
Balance at the end (in shares) at Sep. 30, 2026 4,577,359       4,577,359