v3.26.1
Consolidated Statements of Changes in Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income [Member]
Accumulated Deficit [Member]
Convertible Preferred Stock [Member]
Temporary Equity, Balance (in shares) at Dec. 31, 2023             15,360,787
Temporary Equity, Balance at Dec. 31, 2023             $ 70,603
Balance (in shares) at Dec. 31, 2023   0 1,770,167        
Balance at Dec. 31, 2023 $ (74,483) $ 0 $ 2 $ 1,816 $ 0 $ (76,301)  
Temporary equity, Conversion of convertible preferred stock into common stock in connection with Reverse Merger (in shares)             (15,360,787)
Temporary equity, Conversion of convertible preferred stock into common stock in connection with Reverse Merger             $ (70,603)
Conversion of convertible preferred stock into common stock in connection with Reverse Merger (in shares)     4,753,650        
Conversion of convertible preferred stock into common stock in connection with Reverse Merger 70,603 0 $ 5 70,598 0 0  
Conversion of convertible notes into common stock and prefunded warrants in connection with Reverse Merger (in shares)     1,179,163        
Conversion of convertible notes into common stock and prefunded warrants in connection with Reverse Merger 17,762 0 $ 1 17,761 0 0  
Issuance of common stock and prefunded warrants in connection with PIPE (In Shares)     1,988,885        
Issuance of common stock and prefunded warrants in connection with PIPE 56,189 $ 0 $ 2 56,187 0 0  
Issuance of preferred stock and common stock to former stockholders of Pieris in connection with Reverse Merger (in shares)   15,617 1,320,240        
Issuance of preferred stock and common stock to former stockholders of Pieris in connection with Reverse Merger 11,611 $ 0 $ 1 11,610 0 0  
Transactions costs associated with the Reverse Merger (2,474) 0 0 (2,474) 0 0  
Stock-based compensation 830 0 0 830   0  
Foreign currency translation gain 3 0 0 0 3 0  
Net Loss (17,434) $ 0 $ 0 0 0 (17,434)  
Temporary Equity, Balance (in shares) at Dec. 31, 2024             0
Temporary Equity, Balance at Dec. 31, 2024             $ 0
Balance (in shares) at Dec. 31, 2024   15,617 11,012,105        
Balance at Dec. 31, 2024 62,607 $ 0 $ 11 156,328 3 (93,735)  
Exercise of common stock options for cash, net of expense (in shares)     88,828        
Exercise of common stock options for cash, net of expense 763   $ 0 763 0 0  
Conversion of preferred stock into common stock (in shares)   (15,617) 208,324        
Conversion of preferred stock into common stock 0 $ 0 $ 0 0 0 0  
Conversion of prefunded warrants into common stock (in shares)     1,071,676        
Conversion of prefunded warrants into common stock 1 0 $ 1 0 0 0  
Equity issuance costs 154 0 0 (154) 0 0  
Stock-based compensation 6,401 0 0 6,401 0 0  
Foreign currency translation gain 80   0 0 80 0  
Net Loss (41,715) $ 0 $ 0 0 0 (41,715)  
Temporary Equity, Balance (in shares) at Dec. 31, 2025             0
Temporary Equity, Balance at Dec. 31, 2025             $ 0
Balance (in shares) at Dec. 31, 2025   0 12,380,933        
Balance at Dec. 31, 2025 $ 27,983 $ 0 $ 12 $ 163,338 $ 83 $ (135,450)