Quarterly report pursuant to Section 13 or 15(d)

Convertible Debt - Yorkville Convertible Debenturss (Details)

v3.24.3
Convertible Debt - Yorkville Convertible Debenturss (Details)
$ / shares in Units, shares in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 19, 2024
USD ($)
shares
Jan. 08, 2024
USD ($)
shares
Sep. 26, 2023
USD ($)
$ / shares
shares
Aug. 02, 2023
USD ($)
$ / shares
shares
Apr. 24, 2023
$ / shares
Jul. 22, 2022
$ / shares
Jul. 21, 2022
Jul. 20, 2022
$ / shares
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
d
tradingDay
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
shares
Apr. 24, 2024
USD ($)
Jun. 30, 2023
USD ($)
Debt Conversion [Line Items]                              
Gain on extinguishment of debt and other                 $ 1,812,000 $ 2,573,000 $ (22,650,000) $ 30,261,000      
Convertible Debt                              
Debt Conversion [Line Items]                              
Purchase price of common stock, percent         95.00%                    
Convertible Debt | Third Convertible Debentures and Warrants | Yorkville Warrants                              
Debt Conversion [Line Items]                              
Aggregate principal amount       $ 27,900,000                     $ 26,600,000
Unamortized discount, percent       6.00%                     6.00%
Issuance of shares under legal settlement (in shares) | shares                         4.4    
Additional aggregate principal amount       $ 53,200,000                      
Convertible Debt | Third Convertible Debentures and Warrants | Yorkville Warrants | Common Stock                              
Debt Conversion [Line Items]                              
Purchase share price (in dollars per share) | $ / shares       $ 12.42                      
Convertible Debt | Third Convertible Debentures and Warrants | Yorkville Warrants | Minimum | Common Stock                              
Debt Conversion [Line Items]                              
Issuance of shares under legal settlement (in shares) | shares       2.2                      
Convertible Debt | September Initial Debenture | Yorkville Warrants                              
Debt Conversion [Line Items]                              
Aggregate principal amount     $ 15,000,000                        
Convertible Debt | Fourth Convertible Debentures and Warrants | Yorkville Warrants                              
Debt Conversion [Line Items]                              
Percentage of original issue discount     16.50%                        
Principal amount, exercised     $ 30,000,000                        
Convertible Debt | Fourth Convertible Debentures and Warrants | Yorkville Warrants | Common Stock                              
Debt Conversion [Line Items]                              
Purchase share price (in dollars per share) | $ / shares     $ 12.42                        
Convertible Debt | Fourth Convertible Debentures and Warrants | Yorkville Warrants | Minimum | Common Stock                              
Debt Conversion [Line Items]                              
Issuance of shares under legal settlement (in shares) | shares     1.2                        
Convertible Debt | September Loan Option | Yorkville Warrants                              
Debt Conversion [Line Items]                              
Aggregate principal amount     $ 30,000,000                        
Yorkville                              
Debt Conversion [Line Items]                              
Purchase share price (in dollars per share) | $ / shares           $ 11.50   $ 23.00              
Purchase price of common stock, percent           110.00% 95.00% 120.00%              
Yorkville | Pre-Paid Advance Agreement                              
Debt Conversion [Line Items]                              
Redemption premium                 5.00%   5.00%        
Yorkville | Pre-Paid Advance Agreement | Common Stock                              
Debt Conversion [Line Items]                              
Issuance of shares under legal settlement (in shares) | shares                         2.9    
Yorkville | Fourth Convertible Debentures and Warrants                              
Debt Conversion [Line Items]                              
Interest expense, debt                     $ 100,000        
Yorkville | Convertible Debt                              
Debt Conversion [Line Items]                              
Aggregate principal amount                           $ 48,000,000  
Unamortized discount, percent         6.00%                    
Standby equity purchase agreement, exchange cap, maximum ownership amount                         $ 4,100,000    
Purchase share price (in dollars per share) | $ / shares         $ 2.30                    
Number of trading days | d                     5        
Debt instrument, interest rate, increase (decrease)         15.00%                    
Number of consecutive trading days | tradingDay                     7        
Option, number of consecutive trading days | tradingDay                     3        
Option, number of trading days | tradingDay                     10        
Yorkville | Convertible Debt | Pre-Paid Advance Agreement                              
Debt Conversion [Line Items]                              
Redemption premium                 3.00%   3.00%        
Yorkville | Convertible Debt | Third Convertible Debentures and Warrants | Common Stock                              
Debt Conversion [Line Items]                              
Issuance of shares under legal settlement (in shares) | shares                         4.2    
Gain on extinguishment of debt and other   $ 300,000                          
Yorkville | Convertible Debt | Fourth Convertible Debentures and Warrants | Common Stock                              
Debt Conversion [Line Items]                              
Gain on extinguishment of debt and other $ 800,000                            
Yorkville | August Convertible Debenture | Third Convertible Debentures and Warrants | Common Stock                              
Debt Conversion [Line Items]                              
Issuance of shares under legal settlement (in shares) | shares   1.2                          
Yorkville | September Convertible Debenture | Fourth Convertible Debentures and Warrants | Common Stock                              
Debt Conversion [Line Items]                              
Issuance of shares under legal settlement (in shares) | shares 3.5                            
Yorkville | July Convertible Debenture                              
Debt Conversion [Line Items]                              
Purchase share price (in dollars per share) | $ / shares         $ 11.50                    
Yorkville | July, August And September Convertible Debentures                              
Debt Conversion [Line Items]                              
Stated interest rate         3.00%