Quarterly report [Sections 13 or 15(d)]

Condensed Consolidated Statements of Stockholders??? Equity

v3.25.1
Condensed Consolidated Statements of Stockholders’ Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Series A Preferred Stock
Preferred Stock
Series B Preferred Stock
Preferred Stock
Series C Preferred Stock
Preferred Stock
Series D Preferred Stock
Preferred Stock
Series E Preferred Stock
Preferred Stock
Series F Preferred Stock
Preferred Stock
Series F-1 Preferred Stock
Preferred Stock
Series F-2 Preferred Stock
Preferred Stock
Beginning balance (in shares) at Dec. 31, 2023   1,145 [1]     251 1,443 500,756 0 0 4,448 653 1,153
Beginning balance at Dec. 31, 2023 $ 4,677 $ 0 [1] $ 121,672 [1] $ (116,995) $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Issuance of common stock in connection with equity line of credit, net of issuance costs (in shares) [1]   940                    
Issuance of common stock in connection with equity line of credit, net of issuance costs 1,391   1,391 [1]                  
Issuance of common stock upon conversion (in shares) [1]   215                    
Issuance of common stock/At-the-market offering, net of issuance costs 588   588 [1]                  
Stock-based compensation 274   274 [1]                  
Net income (loss) (4,612)     (4,612)                
Ending balance (in shares) at Mar. 31, 2024   2,300 [1]     251 1,443 500,756 0 0 4,448 653 1,153
Ending balance at Mar. 31, 2024 2,318 $ 0 [1] 123,925 [1] (121,607) $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
Beginning balance (in shares) at Dec. 31, 2024   790,774 [2]     0 0 0 0 0 0 0 0
Beginning balance at Dec. 31, 2024 22,244 $ 0 [2] 165,185 [2] (142,941) $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                        
Issuance of common stock in connection with equity line of credit (in shares) [2]   947,128                    
Issuance of common stock/at-the-market offering, net of issuance costs 21,202   21,202 [2]                  
Vesting of restricted stock units (in shares) [2]   275                    
Reverse stock split rounding (in shares) [2]   47                    
Issuance of warrants in exchange for services 1,627   1,627 [2]                  
Stock-based compensation 487   487 [2]                  
Net income (loss) (9,684)     (9,684)                
Ending balance (in shares) at Mar. 31, 2025   1,738,224 [2]     0 0 0 0 0 0 0 0
Ending balance at Mar. 31, 2025 $ 35,876 $ 0 [2] $ 188,501 [2] $ (152,625) $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
[1] Amounts prior to December 31, 2024 have been retroactively adjusted to reflect the 1-for-150 reverse stock splits effected on June 25, 2024 and January 30, 2025. See Note 1 for details.
[2] 1 Amounts prior to December 31, 2024 have been retroactively adjusted to reflect the 1-for-150 reverse stock splits effected on June 25, 2024 and January 30, 2025. See Note 1 for details