Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business - Additional Information (Detail)

v3.23.1
Organization and Description of Business - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 02, 2023
Dec. 15, 2022
Aug. 15, 2022
Jul. 29, 2022
Mar. 22, 2021
May 27, 2020
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Organization And Description Of Business [Line Items]                  
Accumulated deficit             $ 327,076   $ 325,705
Net cash used in operating activities             (8,798) $ (11,767)  
Number of shares issued           147,471      
Cash Cash Equivalents And Marketable Securities             $ 13,900    
Restructuring charge     $ 7,700 $ 7,700          
Labor and Related Expense     1,600 1,600          
Write-off of prepaid manufacturing costs     $ 6,100 $ 6,100          
Common Stock [Member]                  
Organization And Description Of Business [Line Items]                  
Number of shares issued 128,000 54,375              
Class of warrant or right, issued 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              
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