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Condensed Consolidated Statements of Stockholders’ Equity (unaudited) - USD ($)
$ in Thousands
Total
Market Offering
Common Stock
Common Stock
Market Offering
Additional Paid-in Capital
Additional Paid-in Capital
Market Offering
Accumulated Deficit
Stockholders' equity, beginning balance (in shares) at Dec. 31, 2022     31,515,074        
Stockholders' equity, beginning balance at Dec. 31, 2022 $ 122,337   $ 3   $ 429,039   $ (306,705)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock from at the market offering, net of issuance costs (in shares)       3,824,249      
Issuance of common stock from at the market offering, net of issuance costs   $ 8,610       $ 8,610  
Stock-based compensation expense 2,108       2,108    
Net loss (11,982)           (11,982)
Stockholders' equity, ending balance (in shares) at Mar. 31, 2023     35,339,323        
Stockholders' equity, ending balance at Mar. 31, 2023 121,073   $ 3   439,757   (318,687)
Stockholders' equity, beginning balance (in shares) at Dec. 31, 2022     31,515,074        
Stockholders' equity, beginning balance at Dec. 31, 2022 122,337   $ 3   429,039   (306,705)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net loss (17,080)            
Stockholders' equity, ending balance (in shares) at Jun. 30, 2023     35,641,784        
Stockholders' equity, ending balance at Jun. 30, 2023 118,599   $ 3   442,381   (323,785)
Stockholders' equity, beginning balance (in shares) at Mar. 31, 2023     35,339,323        
Stockholders' equity, beginning balance at Mar. 31, 2023 121,073   $ 3   439,757   (318,687)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock from at the market offering, net of issuance costs (in shares)     28,739 272,032      
Issuance of common stock from at the market offering, net of issuance costs 45 644     45 644  
Stock-based compensation expense 1,930       1,930    
Stock option exercises (in shares)     1,690        
Stock option exercises 5       5    
Net loss (5,098)           (5,098)
Stockholders' equity, ending balance (in shares) at Jun. 30, 2023     35,641,784        
Stockholders' equity, ending balance at Jun. 30, 2023 $ 118,599   $ 3   442,381   (323,785)
Stockholders' equity, beginning balance (in shares) at Dec. 31, 2023 39,107,048   39,107,048        
Stockholders' equity, beginning balance at Dec. 31, 2023 $ 111,374   $ 4   455,443   (344,073)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock from at the market offering, net of issuance costs (in shares)       4,169,324      
Issuance of common stock from at the market offering, net of issuance costs   20,089       20,089  
Stock-based compensation expense 2,305       2,305    
Stock option exercises (in shares)     5,999        
Stock option exercises 12       12    
Net loss (16,193)           (16,193)
Stockholders' equity, ending balance (in shares) at Mar. 31, 2024     43,282,371        
Stockholders' equity, ending balance at Mar. 31, 2024 $ 117,587   $ 4   477,849   (360,266)
Stockholders' equity, beginning balance (in shares) at Dec. 31, 2023 39,107,048   39,107,048        
Stockholders' equity, beginning balance at Dec. 31, 2023 $ 111,374   $ 4   455,443   (344,073)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Net loss $ (33,442)            
Stockholders' equity, ending balance (in shares) at Jun. 30, 2024 43,702,147   43,702,147        
Stockholders' equity, ending balance at Jun. 30, 2024 $ 104,018   $ 4   481,529   (377,515)
Stockholders' equity, beginning balance (in shares) at Mar. 31, 2024     43,282,371        
Stockholders' equity, beginning balance at Mar. 31, 2024 117,587   $ 4   477,849   (360,266)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock from at the market offering, net of issuance costs (in shares)     246,680 172,996      
Issuance of common stock from at the market offering, net of issuance costs 76 $ 1,002     76 $ 1,002  
Stock-based compensation expense 2,602       2,602    
Stock option exercises (in shares)     100        
Stock option exercises 0            
Net loss $ (17,249)           (17,249)
Stockholders' equity, ending balance (in shares) at Jun. 30, 2024 43,702,147   43,702,147        
Stockholders' equity, ending balance at Jun. 30, 2024 $ 104,018   $ 4   $ 481,529   $ (377,515)