Quarterly report pursuant to Section 13 or 15(d)

Convertible Debt (Details)

v3.24.1.1.u2
Convertible Debt (Details)
$ / shares in Units, shares in Millions
3 Months Ended 12 Months Ended
Mar. 12, 2024
USD ($)
$ / shares
Jan. 31, 2024
USD ($)
Jan. 11, 2024
USD ($)
Dec. 20, 2023
USD ($)
Nov. 21, 2023
USD ($)
Sep. 26, 2023
USD ($)
$ / shares
shares
Sep. 11, 2023
USD ($)
$ / shares
Aug. 02, 2023
USD ($)
$ / shares
shares
Apr. 24, 2023
USD ($)
$ / shares
Jan. 13, 2023
USD ($)
Dec. 31, 2022
USD ($)
Nov. 10, 2022
USD ($)
Jul. 22, 2022
$ / shares
Jul. 21, 2022
Jul. 20, 2022
USD ($)
$ / shares
May 10, 2022
Mar. 31, 2024
USD ($)
tradingDay
d
shares
Mar. 31, 2023
USD ($)
shares
Dec. 31, 2023
shares
Debt Conversion [Line Items]                                      
Proceeds from PPA, net of issuance costs                                 $ 83,257,000 $ 5,001,000  
Loss (Gain) on extinguishment of debt                                 (24,466,000) 26,739,000  
Other noncash income (expense)                                 (437,000) (800,000)  
Repayments on pre-paid purchase agreement                                 33,007,000 $ 0  
Tenth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Repayments on pre-paid purchase agreement                                 45,000,000    
Convertible Debt                                      
Debt Conversion [Line Items]                                      
Purchase price of common stock, percent                 95.00%                    
Convertible Debt | Yorkville Warrants | Third Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Aggregate principal amount               $ 27,900,000                      
Unamortized discount, percent               6.00%                      
Additional aggregate principal amount               $ 53,200,000                      
Convertible Debt | Yorkville Warrants | Fourth Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Aggregate principal amount           $ 15,000,000                          
Percentage of original issue discount           16.50%                          
Principal amount, exercised           $ 30,000,000                          
Debt Instrument, Convertible, Carrying Amount of Equity Component           $ 30,000,000                          
Convertible Debt | Yorkville Warrants | Common Stock | Third Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Purchase share price (in dollars per share) | $ / shares               $ 12.42                      
Convertible Debt | Yorkville Warrants | Common Stock | Fourth Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Purchase share price (in dollars per share) | $ / shares           $ 12.42                          
Convertible Debt | Yorkville Warrants | Common Stock | Minimum | Third Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares               2.2                      
Convertible Debt | Yorkville Warrants | Common Stock | Minimum | Fourth Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares           1.2                          
Yorkville                                      
Debt Conversion [Line Items]                                      
Pre-paid advance agreement, in cash advances                             $ 50,000,000        
Pre-paid advance agreement, in commitment amount                             $ 300,000,000        
Purchase price of common stock, percent                         110.00% 95.00% 120.00%        
Purchase share price (in dollars per share) | $ / shares                         $ 11.50   $ 23.00        
Pre-paid advance agreement, annual rate                               5.00%      
Pre-paid advance agreement, increase upon to default                               15.00%      
Maturity period (in months)                         15 months            
Yorkville | Fourth Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Interest Expense, Debt                                 $ 100,000    
Yorkville | Third Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Proceeds from PPA, net of issuance costs                       $ 20,000,000              
Yorkville | Fourth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Proceeds from PPA, net of issuance costs                     $ 32,000,000                
Proceeds from additional amount of prepaid advance agreement                     8,500,000                
Proceeds from partial exercise prepaid advance agreement                   $ 5,300,000                  
Net proceeds from exercise in prepaid advance agreement                   $ 5,000,000                  
Aggregate fair value                     14,800,000                
Yorkville | Fourth Pre Paid Advance Agreement | Additional Paid-in Capital                                      
Debt Conversion [Line Items]                                      
Amount allocated to convertible debt from option exercised                     $ 2,300,000                
Yorkville | Pre-Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Redemption premium                                 5.00%    
Yorkville | Fifth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Proceeds from PPA, net of issuance costs             $ 12,500,000                        
Amount allocated to convertible debt from option exercised             6,000,000                        
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement             $ 11,800,000                        
Yorkville | Fifth Pre Paid Advance Agreement | Maximum                                      
Debt Conversion [Line Items]                                      
Purchase share price (in dollars per share) | $ / shares             $ 11.50                        
Yorkville | Fifth Pre Paid Advance Agreement | Minimum                                      
Debt Conversion [Line Items]                                      
Purchase share price (in dollars per share) | $ / shares             $ 2.30                        
Yorkville | Sixth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Proceeds from PPA, net of issuance costs         $ 21,300,000                            
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement         $ 20,000,000                            
Loss (Gain) on extinguishment of debt                                 $ 1,200,000    
Other noncash income (expense)                                 200,000    
Yorkville | Seventh Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Proceeds from PPA, net of issuance costs       $ 16,000,000                              
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement       $ 15,000,000                              
Loss (Gain) on extinguishment of debt                                 500,000    
Other noncash income (expense)                                 400,000    
Yorkville | Eighth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Proceeds from PPA, net of issuance costs     $ 17,500,000                                
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement     $ 16,500,000                                
Loss (Gain) on extinguishment of debt                                 600,000    
Other noncash income (expense)                                 400,000    
Yorkville | Ninth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Proceeds from PPA, net of issuance costs   $ 20,000,000                                  
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement   $ 18,800,000                                  
Yorkville | Tenth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Purchase share price (in dollars per share) | $ / shares $ 2.30                                    
Proceeds from PPA, net of issuance costs $ 62,000,000                                    
Proceeds from partial exercise prepaid advance agreement 33,000,000                                    
Proceed from commitment fee and the purchase price discount provided for prepaid advance agreement 15,000,000                                    
Loss (Gain) on extinguishment of debt                                 $ (7,600,000)    
Repayment of financing charges $ 14,000,000                                    
Yorkville | Tenth Pre Paid Advance Agreement | Common Stock                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                 7.4    
Yorkville | Common Stock                                      
Debt Conversion [Line Items]                                      
Exchange cap, maximum ownership percent                               19.90%      
Yorkville | Common Stock | Pre-Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                     2.9
Yorkville | Common Stock | Fifth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                   1.2  
Yorkville | Common Stock | Sixth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                 6.1    
Yorkville | Common Stock | Seventh Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                 2.9    
Repayments on pre-paid purchase agreement                                 $ 7,200,000    
Yorkville | Common Stock | Eighth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                 4.1    
Repayments on pre-paid purchase agreement                                 $ 8,300,000    
Yorkville | Common Stock | Ninth Pre Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                 1.3    
Repayments on pre-paid purchase agreement                                 $ 17,500,000    
Yorkville | Convertible Debt                                      
Debt Conversion [Line Items]                                      
Purchase share price (in dollars per share) | $ / shares                 $ 2.30                    
Number of trading days | d                                 5    
Number of consecutive trading days | tradingDay                                 7    
Option, number of consecutive trading days | tradingDay                                 3    
Option, number of trading days | tradingDay                                 10    
Standby equity purchase agreement, exchange cap, maximum ownership amount                 $ 4,100,000                    
Debt instrument, interest rate, increase (decrease)                 15.00%                    
Debt instrument, term (in years)                                 14 years    
Yorkville | Convertible Debt | Pre-Paid Advance Agreement                                      
Debt Conversion [Line Items]                                      
Redemption premium                                 3.00%    
Yorkville | Convertible Debt | Common Stock | Third Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                     4.2
Loss (Gain) on extinguishment of debt                                 $ 300,000    
Yorkville | Convertible Debt | Common Stock | Fourth Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Loss (Gain) on extinguishment of debt                                 $ 800,000    
Yorkville | August Convertible Debenture | Common Stock | Third Convertible Debentures and Warrants                                      
Debt Conversion [Line Items]                                      
Issuance of shares under legal settlement (in shares) | shares                                 1.2    
Yorkville | September Convertible Debenture | Common Stock | Fourth Convertible Debentures and Warrants                                      
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%