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Warrants - 2019 Bridge Note Warrants (Details)
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 23, 2019
$ / shares
shares
Jul. 31, 2019
$ / shares
Y
shares
Sep. 30, 2021
USD ($)
shares
Jun. 26, 2019
item
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2022
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
Dec. 31, 2020
shares
Debt                
Number Of Promissory Notes Issued | item       21        
Warrants exercisable 927,083              
Warrants outstanding           562,847 563,451 2,401,818
Class A units | Underwritten Public Offering                
Debt                
Units issued   962,166            
Unit Price | $ / shares   $ 6.00            
Number of warrants converted for each share   1            
Class B units | Underwritten Public Offering                
Debt                
Units issued   10,787            
Unit Price | $ / shares   $ 1,000            
Class B units | Underwritten Public Offering | Series B convertible preferred stock                
Debt                
Number of shares in exchange for each unit   1            
Number of warrants converted for each share   166            
2019 Bridge Note Warrants                
Debt                
Warrants outstanding           190,622 190,622  
2019 Bridge Note Warrants | Strike price                
Debt                
Warrant liability | $ / shares 6.00         1.47 1.47  
Series 1 warrants                
Debt                
Warrants issued   2,760,000            
Warrants outstanding           145,396 145,396  
Number of warrants converted for each share     464,058   464,058      
Term of warrant   5 years            
Exercise price (in dollars per share) | $ / shares   $ 6.00            
Proceeds from issuance of warrants | $     $ 682,000   $ 682,000      
Series 1 warrants | Strike price                
Debt                
Warrant liability | $ / shares   6.00            
Series 1 warrants | Class A units                
Debt                
Common stock issued and issuable   962,166            
Warrants issued   962,166            
Series 1 warrants | Class A units | Underwritten Public Offering                
Debt                
Number of shares in exchange for each unit   1            
Number of warrants converted for each share   1            
Series 1 warrants | Class B units                
Debt                
Units issued   10,787            
Common stock issued and issuable   1,797,833            
Series 1 warrants | Class B units | Underwritten Public Offering                
Debt                
Number of shares issued for preferred stock converted   166            
Series 2 warrants                
Debt                
Warrants issued   2,760,000            
Number of warrants converted for each share     1,797,833   1,797,833      
Term of warrant   5 years            
Exercise price (in dollars per share) | $ / shares   $ 6.00            
Proceeds from issuance of warrants | $     $ 5,000,000.0   $ 5,000,000.0      
Series 2 warrants | Strike price                
Debt                
Warrant liability | $ / shares   6.00            
Series 2 warrants | Expected life                
Debt                
Warrant liability | Y   5.0            
Series 2 warrants | Class A units                
Debt                
Common stock issued and issuable   962,166            
Warrants issued   962,166            
Series 2 warrants | Class A units | Underwritten Public Offering                
Debt                
Number of shares in exchange for each unit   1            
Number of warrants converted for each share   1            
Series 2 warrants | Class B units                
Debt                
Units issued   10,787            
Common stock issued and issuable   1,797,833            
Series 2 warrants | Class B units | Underwritten Public Offering                
Debt                
Number of shares issued for preferred stock converted   166            
May 2020 Modification of the July 2019 Series 2 Warrants and Inducement Offer                
Debt                
Number of warrants converted for each share           133,730 133,730