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Condensed Statement of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Preferred Stock [Member]
Convertible Preferred Stock [Member]
Beginning Balance at Dec. 31, 2023 $ 122,886 $ 3 $ 1,084,562 $ 68 $ (961,747) $ 0
Beginning Balance (shares) at Dec. 31, 2023   3,354       0
Issuance of common stock through employee stock purchase plan 2,080 $ 1 2,079      
Issuance of common stock through employee stock purchase plan (shares)   52        
Issuance of common stock for settlement of RSUs 295   295      
Issuance of common stock for settlement of RSUs (shares)   40        
Stock option exercises 6   6      
Stock-based compensation expense 8,203   8,203      
Unrealized loss on available-for-sale securities (326)     (326)    
Net Income (Loss) (39,944)       (39,944)  
Ending Balance at Mar. 31, 2024 93,200 $ 4 1,095,145 (258) (1,001,691) $ 0
Ending Balance (shares) at Mar. 31, 2024   3,446       0
Beginning Balance at Dec. 31, 2024 26,819 $ 4 1,116,496 42 (1,089,723) $ 0
Beginning Balance (shares) at Dec. 31, 2024   3,530       0
Conversion of convertible preferred stock to common stock (Shares)   14,046,000       (842)
Conversion of convertible preferred stock to common stock   $ 14 157,216     $ (157,230)
Issuance of common stock through employee stock purchase plan 408   408      
Issuance of common stock through employee stock purchase plan (shares)   60        
Issuance of common stock warrant, net of issuance costs 4,330   4,330      
Issuance of Series A convertible preferred stock, net of issuance costs (Shares)           863
Issuance of Series A convertible preferred stock net of issuance costs 161,071         $ 161,071
Issuance of common stock for settlement of RSUs   $ 86        
Stock-based compensation expense 2,977   2,977      
Unrealized loss on available-for-sale securities 46     46    
Net Income (Loss) (25,783)       (25,783)  
Ending Balance at Mar. 31, 2025 $ 169,868 $ 18 $ 1,281,427 $ 88 $ (1,115,506) $ 3,841
Ending Balance (shares) at Mar. 31, 2025   17,722       21