Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business Operations (Details)

v3.23.3
Organization and Description of Business Operations (Details)
 1 Months Ended
Nov. 03, 2022
shares
Oct. 31, 2023
USD ($)
$ / shares
shares
Jul. 31, 2023
USD ($)
$ / shares
shares
May 31, 2023
USD ($)
$ / shares
shares
Apr. 30, 2023
USD ($)
$ / shares
shares
Feb. 28, 2023
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
Vote
multiplier
shares
Feb. 22, 2023
$ / shares
Dec. 31, 2022
USD ($)
Dec. 16, 2022
$ / shares
Organization and Description of Business Operations                    
Reverse stock split, conversion ratio 0.1                  
Number of votes per share | Vote             1      
Multiplier to calculate voting rights per class A common share | multiplier             1.1      
Accumulated deficit | $             $ (295,205,000)   $ (262,486,000)  
Class of warrants exercise price | $ / shares               $ 5.00   $ 4.075
Pre-Funded Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares     $ 3.0899              
Number of warrants issued and sold to purchase shares     809,062              
Series A Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares     $ 2.84              
Number of warrants issued and sold to purchase shares     3,236,248              
Series B Warrants                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares     3,236,248              
Common Shares                    
Organization and Description of Business Operations                    
Number of shares issued and sold     2,427,186              
Total gross proceeds from Issuance of common stock | $     $ 10,000,000.0              
Net proceeds from offering | $     9,100,000              
Amount of commissions and other transaction costs | $     $ 900,000              
February 2023 Registered Direct Offering                    
Organization and Description of Business Operations                    
Number of shares issued and sold           1,180,000        
Purchase price per share | $ / shares           $ 5.25        
Total gross proceeds from Issuance of common stock | $           $ 7,500,000        
Net proceeds from offering | $           6,700,000        
Amount of commissions and other transaction costs | $           $ 800,000        
February 2023 Registered Direct Offering | Pre-Funded Warrants                    
Organization and Description of Business Operations                    
Number of warrants issued           248,572        
Class of warrants exercise price | $ / shares           $ 5.2499        
February 2023 Registered Direct Offering | Series A Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares           $ 5.00        
Expiration term of warrants (in years)           5 years        
Number of warrants issued and sold to purchase shares           1,428,572        
February 2023 Registered Direct Offering | Series A Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares           1,428,572        
February 2023 Registered Direct Offering | Series B Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares           $ 5.00        
Expiration term of warrants (in years)           18 months        
Number of warrants issued and sold to purchase shares           1,428,572        
February 2023 Registered Direct Offering | Series B Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares           1,428,572        
April 2023 Registered Direct Offering                    
Organization and Description of Business Operations                    
Number of shares issued and sold         1,700,000          
Purchase price per share | $ / shares         $ 3.60          
Total gross proceeds from Issuance of common stock | $         $ 6,100,000          
Net proceeds from offering | $         5,500,000          
Amount of commissions and other transaction costs | $         $ 600,000          
April 2023 Registered Direct Offering | Series A Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares         $ 3.35          
Expiration term of warrants (in years)         5 years          
April 2023 Registered Direct Offering | Series A Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares         1,700,000          
April 2023 Registered Direct Offering | Series B Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares         $ 3.35          
Expiration term of warrants (in years)         18 months          
April 2023 Registered Direct Offering | Series B Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares         1,700,000          
May 2023 Registered Direct Offering                    
Organization and Description of Business Operations                    
Number of shares issued and sold       1,650,000            
Purchase price per share | $ / shares       $ 3.071            
Number of warrants issued       1,606,269            
Class of warrants exercise price | $ / shares       $ 3.0709            
Total gross proceeds from Issuance of common stock | $       $ 10,000,000.0            
Net proceeds from offering | $       9,100,000            
Amount of commissions and other transaction costs | $       $ 900,000            
May 2023 Registered Direct Offering | Pre-Funded Warrants                    
Organization and Description of Business Operations                    
Number of warrants issued       1,606,269            
Class of warrants exercise price | $ / shares       $ 3.0709            
May 2023 Registered Direct Offering | Series A Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares       $ 2.821            
Expiration term of warrants (in years)       5 years            
May 2023 Registered Direct Offering | Series A Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares       3,256,269            
May 2023 Registered Direct Offering | Series B Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares       $ 2.821            
Expiration term of warrants (in years)       18 months            
May 2023 Registered Direct Offering | Series B Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares       3,256,269            
July 2023 Registered Direct Offering                    
Organization and Description of Business Operations                    
Number of shares issued and sold     2,427,186              
Purchase price per share | $ / shares     $ 3.09              
Total gross proceeds from Issuance of common stock | $     $ 10,000,000.0              
Net proceeds from offering | $     9,100,000              
Amount of commissions and other transaction costs | $     $ 900,000              
July 2023 Registered Direct Offering | Pre-Funded Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares     $ 3.0899              
Number of warrants issued and sold to purchase shares     809,062              
July 2023 Registered Direct Offering | Series A Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares     $ 2.84              
Expiration term of warrants (in years)     5 years              
July 2023 Registered Direct Offering | Series A Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares     3,236,248              
July 2023 Registered Direct Offering | Series B Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares     $ 2.84              
Expiration term of warrants (in years)     18 months              
July 2023 Registered Direct Offering | Series B Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares     3,236,248              
October 2023 Registered Direct Offering                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares   $ 1.76           $ 5.00   $ 4.075
Total gross proceeds from Issuance of common stock | $   $ 11,100,000                
Net proceeds from offering | $   10,000,000.0                
Amount of commissions and other transaction costs | $   $ 1,100,000                
Number of warrants issued and sold to purchase shares   6,325,354                
October 2023 Registered Direct Offering | Series A Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares   $ 1.51                
Expiration term of warrants (in years)   5 years                
October 2023 Registered Direct Offering | Series A Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares   6,325,354                
October 2023 Registered Direct Offering | Series B Warrants                    
Organization and Description of Business Operations                    
Class of warrants exercise price | $ / shares   $ 1.51                
Expiration term of warrants (in years)   24 months                
October 2023 Registered Direct Offering | Series B Warrants | Maximum                    
Organization and Description of Business Operations                    
Number of warrants issued and sold to purchase shares   6,325,354                
2015 Incentive Plan                    
Organization and Description of Business Operations                    
Number of shares available for issuance authorized             6,000,000      
2015 Incentive Plan | Maximum                    
Organization and Description of Business Operations                    
Number of shares available for issuance authorized 3,000,000                  
2015 Incentive Plan | Minimum                    
Organization and Description of Business Operations                    
Number of shares available for issuance authorized 900,000