Annual report pursuant to Section 13 and 15(d)

Nature of Business, Basis of Presentation and Liquidity Risk - Additional Information (Detail)

v3.22.4
Nature of Business, Basis of Presentation and Liquidity Risk - Additional Information (Detail)
12 Months Ended
Jul. 31, 2020
shares
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Nature Of Business And Basis Of Presentation [Line Items]        
Accumulated deficit   $ (135,936,000) $ (93,586,000)  
Cash and cash equivalents   24,771,000 43,022,000  
Working capital   5,700,000    
Net loss   (42,350,000) (33,152,000) $ (14,730,000)
Net cash used in operations   $ 37,549,000 $ 29,440,000 $ 13,474,000
Reverse stock split ratio 0.05      
Common stock, shares authorized | shares 150,000,000 150,000,000 150,000,000  
SVB [Member] | Contingent Convertible Debt Agreement [Member] | Non-Convertible Term Loans [Member]        
Nature Of Business And Basis Of Presentation [Line Items]        
Available loan amount   $ 10,000,000.0    
Loan amount drawn   $ 0