Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business - Additional Information (Detail)

v3.23.3
Organization and Description of Business - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Jun. 26, 2023
Mar. 02, 2023
Dec. 15, 2022
Aug. 15, 2022
Jul. 29, 2022
Mar. 22, 2021
May 27, 2020
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Organization And Description Of Business [Line Items]                      
Accumulated deficit                 $ 340,003   $ 325,705
Net cash used in operating activities                 (25,618) $ (36,006)  
Number of shares issued             147,471        
Exercise Price of Warrants or Rights $ 1.36                    
Cash Cash Equivalents And Marketable Securities                 $ 5,400    
Restructuring charge       $ 7,700 $ 7,700     $ 7,719   $ 7,719  
Labor and Related Expense       1,600 1,600            
Write-off of prepaid manufacturing costs       $ 6,100 $ 6,100            
Proceeds from warrant exercise prior to deducting fees to financial advisor and estimated expenses $ 9,600                    
Common Stock [Member]                      
Organization And Description Of Business [Line Items]                      
Number of shares issued   128,000 54,375                
Class of warrant or right, issued 7,034,883 5,000,000                  
Sale of stock, price per share   $ 4                  
Prefunded Warrants [Member]                      
Organization And Description Of Business [Line Items]                      
Class of warrant or right, issued   2,372,000 623,919                
Maximum [Member]                      
Organization And Description Of Business [Line Items]                      
Exercise Price of Warrants or Rights $ 4                    
Minimum [Member]                      
Organization And Description Of Business [Line Items]                      
Exercise Price of Warrants or Rights 1.36                    
Follow-on Offering [Member]                      
Organization And Description Of Business [Line Items]                      
Exercise Price of Warrants or Rights             $ 392        
Public offering price, per unit             $ 356        
Stock issued during period, value           $ 150,000          
Over-Allotment Option [Member]                      
Organization And Description Of Business [Line Items]                      
Number of shares issued           143,750          
Public offering price, per unit           $ 400          
Proceeds from initial public offer           $ 53,800          
Sale of stock, price per share           $ 400          
Pre Funded Warrants and Common Stock [Member]                      
Organization And Description Of Business [Line Items]                      
Proceeds from issuance or sale of equity   $ 9,100 $ 6,100                
Class A warrants [Member] | Common Stock [Member]                      
Organization And Description Of Business [Line Items]                      
Class of warrant or right, issued     1,356,589                
Class B warrants [Member] | Common Stock [Member]                      
Organization And Description Of Business [Line Items]                      
Class of warrant or right, issued     678,294                
Class A warrant and Class B warrant [Member]                      
Organization And Description Of Business [Line Items]                      
Sale of stock, price per share     $ 10.32                
Two Thousand and Twenty Three Offering [Member]                      
Organization And Description Of Business [Line Items]                      
Exercise Price of Warrants or Rights   $ 4                  
Number of common stock Called by each warrant or right   2                  
Two Thousand and Twenty Three Offering [Member] | Prefunded Warrants [Member]                      
Organization And Description Of Business [Line Items]                      
Number of common stock Called by each warrant or right   1                  
Two Thousand And Twenty Two Offering [Member]                      
Organization And Description Of Business [Line Items]                      
Exercise Price of Warrants or Rights   $ 4 10.32                
Sale of stock, price per share     $ 10.32                
Proceeds from issuance or sale of equity   $ 9,100                  
Number of common stock Called by each warrant or right   2                  
Two Thousand And Twenty Two Offering [Member] | Prefunded Warrants [Member]                      
Organization And Description Of Business [Line Items]                      
Number of common stock Called by each warrant or right   1                  
Two Thousand And Twenty Two Offering [Member] | ClassA Warrant [Member]                      
Organization And Description Of Business [Line Items]                      
Number of common stock Called by each warrant or right     1                
Two Thousand And Twenty Two Offering [Member] | ClassB Warrant [Member]                      
Organization And Description Of Business [Line Items]                      
Number of common stock Called by each warrant or right     2                
Class C Warrants [Member] | Common Stock [Member]                      
Organization And Description Of Business [Line Items]                      
Exercise Price of Warrants or Rights $ 1.36                    
Class of warrant or right, issued 1,406,977                    
New Warrants [Member] | Common Stock [Member]                      
Organization And Description Of Business [Line Items]                      
Exercise Price of Warrants or Rights $ 1.36                    
Class of warrant or right, issued 5,627,906