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Common Stock Financing Activities (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 27, 2024
Mar. 25, 2024
Nov. 30, 2023
May 31, 2021
Sep. 30, 2024
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Mar. 31, 2024
Shares issued                  
Stock offering costs           $ 295 $ 739    
Net proceeds issuance of common stock           $ 32,687 $ 24,657    
Common stock, par value (in dollars per share)         $ 0.001 $ 0.001   $ 0.001  
Warrants to purchase common stock (in shares)         8,620 8,620      
Proceeds from issuance of common stock and warrant $ 25,000       $ 467        
Warrants 2024, Pre Funded Warrants                  
Shares issued                  
Warrants to purchase common stock (in shares)                 5,565
Exercise price (in dollars per share)                 $ 0.001
Warrants exercised         1,705 5,565      
Proceeds from warrants         $ 2 $ 6      
Jefferies Sale Agreement                  
Shares issued                  
Maximum value shares to be issued     $ 150,000 $ 100,000          
Number of shares issued         361 3,847   1,408  
Gross proceeds issuance of common stock         $ 467 $ 7,682   $ 27,032  
Stock offering costs         14 231   811  
Net proceeds issuance of common stock         $ 453 $ 7,451   $ 26,221  
Registered direct offering                  
Shares issued                  
Number of shares issued   3,055              
Common stock, par value (in dollars per share)   $ 0.001              
Offering price (in dollars per share)   $ 2.901              
Proceeds from issuance of common stock and warrant $ 25,000                
Registered direct offering | Warrants 2024, Accompanying Warrants                  
Shares issued                  
Warrants to purchase common stock (in shares)   3,055              
Offering price (in dollars per share)   $ 2.900              
Exercise price (in dollars per share)   $ 3.20              
Registered direct offering | Warrants 2024, Pre Funded Warrants                  
Shares issued                  
Warrants to purchase common stock (in shares)   5,565              
Exercise price (in dollars per share)   $ 0.001