Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Preferred Stock and Changes in Stockholders??? Equity (Unaudited)

v3.24.3
Condensed Consolidated Statements of Preferred Stock and Changes in Stockholders’ Equity (Unaudited) - USD ($)
$ in Thousands
Total
Conversion Of Convertible Preferred Stock
AlmataBio Transaction
Series C Preferred Stock
Series C Preferred Stock
AlmataBio Transaction
Series C Preferred Stock
Private Placement
Series D Preferred Stock
Series D Preferred Stock
Private Placement
Series E Preferred Stock
Series E Preferred Stock
Private Placement
Common stock
Common stock
Conversion Of Convertible Preferred Stock
Common stock
AlmataBio Transaction
Additional paid-in capital
Additional paid-in capital
Conversion Of Convertible Preferred Stock
Additional paid-in capital
AlmataBio Transaction
Accumulated deficit
Balance at the beginning (in shares) at Dec. 31, 2022 [1]                     39,294            
Balance at the beginning at Dec. 31, 2022 $ (10,915)                   $ 0     $ 292,909 [1]     $ (303,824)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Issuance of shares of common stock and warrants in underwritten public offering, net (in shares) [1]                     15,709            
Issuance of common stock and warrants in underwritten public offering, net 13,748                         13,748 [1]      
Issuance of common shares pursuant to ATM Program, net (in shares) [1]                     746,077            
Issuance of common shares pursuant to ATM Program, net 32,470                   $ 1     32,469 [1]      
Retirement of common shares in exchange for pre-funded warrants (in shares) [1]                     (5,417)            
Retirement of common shares in exchange for pre-funded warrants (3,640)                         (3,874) [1]     234
Issuance of pre-funded warrants in exchange for retirement of common shares 3,640                         3,640 [1]      
Exercise of pre-funded warrants for common shares (in shares) [1]                     5,850            
Shares purchased through employee stock purchase plan (in shares) [1]                     82            
Shares purchased through employee stock purchase plan 67                         67 [1]      
Stock-based compensation 2,701                         2,701 [1]      
Net income (loss) (23,376)                               (23,376)
Balance at the end (in shares) at Sep. 30, 2023 [1]                     801,595            
Balance at the end at Sep. 30, 2023 14,695                   $ 1     341,660 [1]     (326,966)
Balance at the beginning (in shares) at Jun. 30, 2023 [1]                     58,489            
Balance at the beginning at Jun. 30, 2023 (6,969)                   $ 0     314,769 [1]     (321,738)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Issuance of common shares pursuant to ATM Program, net (in shares) [1]                     737,557            
Issuance of common shares pursuant to ATM Program, net 25,939                   $ 1     25,938 [1]      
Exercise of pre-funded warrants for common shares (in shares) [1]                     5,549            
Stock-based compensation 953                         953 [1]      
Net income (loss) (5,228)                               (5,228)
Balance at the end (in shares) at Sep. 30, 2023 [1]                     801,595            
Balance at the end at Sep. 30, 2023 $ 14,695                   $ 1     341,660 [1]     (326,966)
Balance at the beginning (in shares) at Dec. 31, 2023 0     0     0   0                
Balance at the beginning at Dec. 31, 2023 $ 0     $ 0     $ 0   $ 0                
Increase (Decrease) in Temporary Equity [Roll Forward]                                  
Issuance of stock (in shares)         2,412 19,946   1   1              
Issuance of stock         $ 11,457                        
Retirement of Series C Preferred Stock in exchange for issuance of common stock (in shares) (8,648)                                
Retirement of Series C Preferred Stock in exchange for issuance of common stock $ (9,799)                                
Balance at the end (in shares) at Sep. 30, 2024 13,712     13,710     1   1                
Balance at the end at Sep. 30, 2024 $ 1,658     $ 1,658     $ 0   $ 0                
Balance at the beginning (in shares) at Dec. 31, 2023 801,746                   801,746            
Balance at the beginning at Dec. 31, 2023 $ 7,304                   $ 1     342,437     (335,134)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Impact of reverse split fractional share round-up (in shares)                     60,779            
Issuance of common stock and preferred stock as part of Almata Transaction (in shares)                         171,605        
Issuance of common stock pursuant to Almata Transaction     $ 815                         $ 815  
Issuance of common stock in exchange for retirement of Series C Preferred Stock (in shares)                       8,648,244          
Issuance of common stock in exchange for retirement of Series C Preferred Stock   $ 9,799                   $ 9     $ 9,790    
Stock-based compensation 2,948                         2,948      
Net income (loss) $ 210                               210
Balance at the end (in shares) at Sep. 30, 2024 9,682,374                   9,682,374            
Balance at the end at Sep. 30, 2024 $ 21,076                   $ 10     355,990     (334,924)
Balance at the beginning (in shares) at Jun. 30, 2024 22,360                                
Balance at the beginning at Jun. 30, 2024 $ 11,457                                
Increase (Decrease) in Temporary Equity [Roll Forward]                                  
Retirement of Series C Preferred Stock in exchange for issuance of common stock (in shares) (8,648)                                
Retirement of Series C Preferred Stock in exchange for issuance of common stock $ (9,799)                                
Balance at the end (in shares) at Sep. 30, 2024 13,712     13,710     1   1                
Balance at the end at Sep. 30, 2024 $ 1,658     $ 1,658     $ 0   $ 0                
Balance at the beginning (in shares) at Jun. 30, 2024                     1,034,130            
Balance at the beginning at Jun. 30, 2024 (13,608)                   $ 1     344,352     (357,961)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Issuance of common stock in exchange for retirement of Series C Preferred Stock (in shares)                       8,648,244          
Issuance of common stock in exchange for retirement of Series C Preferred Stock   $ 9,799                   $ 9     $ 9,790    
Stock-based compensation 1,848                         1,848      
Net income (loss) $ 23,037                               23,037
Balance at the end (in shares) at Sep. 30, 2024 9,682,374                   9,682,374            
Balance at the end at Sep. 30, 2024 $ 21,076                   $ 10     $ 355,990     $ (334,924)
[1] Amounts for prior periods presented have been retroactively adjusted to reflect the 1-for-240 reverse stock split effected on December 28, 2023. See Note 1 for details.