Quarterly report pursuant to Section 13 or 15(d)

Warrants - Narrative (Details)

v3.23.3
Warrants - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Jun. 26, 2023
Feb. 16, 2023
Sep. 30, 2023
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Nov. 01, 2023
Oct. 31, 2023
Feb. 06, 2023
Feb. 05, 2023
Jan. 31, 2021
Class of Warrant or Right [Line Items]                        
Common stock, shares authorized (in shares) 40,000,000     40,000,000 40,000,000   40,000,000     40,000,000 400,000,000  
Proceeds from warrant exchange, gross         $ 5,299 $ 0            
Marketing expenses, exchange for stock         $ 1,195 $ 0            
Common stock including warrants, deficit (in shares) 4,201,142     4,201,142 4,201,142              
Subsequent Event                        
Class of Warrant or Right [Line Items]                        
Common stock, shares authorized (in shares)               190,000,000 40,000,000      
Capital stock, shares authorized (in shares)               200,000,000 50,000,000      
Warrant                        
Class of Warrant or Right [Line Items]                        
Warrants and rights outstanding $ 36,500     $ 36,500 $ 36,500   $ 73,300          
Warrants issued (in shares)         89,286              
Warrants revaluation $ 100     $ 100 $ 100              
Decrease in liability             $ 200          
Class of warrant or right, remaining (in shares)     50,000                  
Proceeds from warrant exercises, put option     $ 250                  
Exercise price of warrants (in dollars per share) $ 8.19     $ 8.19 $ 8.19   $ 22.50          
Expected life of warrants         1 year 6 months              
Warrant | 2021 Warrants                        
Class of Warrant or Right [Line Items]                        
Number of securities called by warrants or rights (in shares)                       2,311,550
Exercise price of warrants (in dollars per share)                       $ 23.70
Incremental warrant incentive expense   $ 3,500   $ 3,500                
Warrant | Warrant Exercise Inducement Offer Letters                        
Class of Warrant or Right [Line Items]                        
Number of securities called by warrants or rights (in shares)   4,623,100                    
Exercise price of warrants (in dollars per share)   $ 2.50                    
Percentage of common stock underlying warrants   200.00%                    
Warrant | Warrants                        
Class of Warrant or Right [Line Items]                        
Warrants and rights outstanding $ 4,300 $ 13,100   $ 4,300 $ 4,300              
Number of securities called by warrants or rights (in shares)   4,784,909                    
Exercise price of warrants (in dollars per share) $ 0.91 $ 2.74   $ 0.91 $ 0.91              
Expected life of warrants 5 years                      
Warrants and rights outstanding term   5 years                    
Warrant | Exchange Warrants                        
Class of Warrant or Right [Line Items]                        
Warrants and rights outstanding $ 12,700 $ 12,700   $ 12,700 $ 12,700              
Warrant | Exchange Warrants | Subsequent Event                        
Class of Warrant or Right [Line Items]                        
Exercise price of warrants (in dollars per share)               $ 2.50        
Warrants and rights outstanding term               5 years        
Warrant | SEG Warrants                        
Class of Warrant or Right [Line Items]                        
Warrants and rights outstanding   $ 400                    
Number of securities called by warrants or rights (in shares)   161,809                    
Exercise price of warrants (in dollars per share)   $ 2.50                    
Proceeds from warrant exchange, gross   $ 5,800                    
Warrant solicitation agent fee   $ 400                    
Percentage of total gross proceeds as solicitation agent fee   7.00%                    
Marketing expenses, exchange for stock   $ 100                    
Warrant issuance costs   $ 900