XML 50 R40.htm IDEA: XBRL DOCUMENT v3.23.2
Stockholders' Equity - Additional Information (Detail) - USD ($)
 6 Months Ended
May 16, 2023
May 05, 2023
Jan. 11, 2022
Jun. 30, 2023
Apr. 28, 2023
Dec. 31, 2022
Mar. 31, 2021
Class Of Stock [Line Items]              
Warrants available for exercise       22,718,499      
Debt outstanding       $ 0      
Common stock, shares issued       23,043,933   13,776,788  
Common stock, par value, per share       $ 0.001   $ 0.001  
Net proceeds after deducting offering costs       $ 33,017,000      
Securities Purchase Agreement [Member]              
Class Of Stock [Line Items]              
Number of days after registration settlement       90 days      
Series X1 Preferred Stock [Member]              
Class Of Stock [Line Items]              
Warrants available for exercise       50,207.419      
Shares of common stock issued upon conversion of each share of preferred stock       2,789,301      
Common Stock [Member]              
Class Of Stock [Line Items]              
Warrants available for exercise       22,718,499      
Private Placement Warrants [Member]              
Class Of Stock [Line Items]              
Warrants available for exercise       15,489,340      
Private Placement Warrants [Member] | Accredited Investor [Member]              
Class Of Stock [Line Items]              
Warrants exercise price         $ 3    
Private Placement Warrants [Member] | Securities Purchase Agreement Initial Closing [Member]              
Class Of Stock [Line Items]              
Common warrants issued   $ 35,000,000          
Net proceeds after deducting offering costs   $ 33,000,000          
Private Placement Warrants [Member] | Securities Purchase Agreement Initial Closing [Member] | Accredited Investor [Member]              
Class Of Stock [Line Items]              
Common stock, shares issued   8,730,168     15,151,518    
Common stock, par value, per share         $ 0.001    
Common stock warrants exercisable   15,151,518     15,151,518    
Common warrants issued   $ 45,500,000          
Private Placement Warrants [Member] | Securities Purchase Agreement Second Closing [Member] | Accredited Investor [Member]              
Class Of Stock [Line Items]              
Common stock, shares issued         20,202,024    
Private Placement Warrants [Member] | Securities Purchase Agreement Third Closing [Member] | Accredited Investor [Member]              
Class Of Stock [Line Items]              
Common stock, shares issued         25,252,530    
Private Placement Warrants [Member] | Securities Purchase Agreement Second and Third Closing [Member] | Accredited Investor [Member]              
Class Of Stock [Line Items]              
Common warrants issued   $ 105,000,000          
Private Placement Warrants [Member] | Common Stock [Member] | Securities Purchase Agreement Initial Closing [Member]              
Class Of Stock [Line Items]              
Common stock, shares issued   8,730,168          
Private Placement Warrants [Member] | Pre-funded Warrants [Member] | Accredited Investor [Member]              
Class Of Stock [Line Items]              
Warrants exercise price         $ 0.001    
Private Placement Warrants [Member] | Pre-funded Warrants [Member] | Securities Purchase Agreement Initial Closing [Member]              
Class Of Stock [Line Items]              
Common stock, shares issued   6,421,350          
Jeffries LLC [Member] | ATM Program [Member]              
Class Of Stock [Line Items]              
Common stock number of shares issued       0      
Equity distribution agreement maximum value of common shares issuable             $ 75,000,000
Public float minimum balance to be maintained       $ 75,000,000      
Jeffries LLC [Member] | Maximum [Member] | ATM Program [Member]              
Class Of Stock [Line Items]              
Equity distribution agreement maximum value of common shares issuable       $ 17,800,000      
BVF Exchanging Stockholders [Member] | Series X1 Non-voting Convertible Preferred Stock [Member] | Series X1 Exchange Agreement [Member]              
Class Of Stock [Line Items]              
Conversion of stock, shares issued     9,899.99        
BVF Exchanging Stockholders [Member] | Common Stock [Member] | Series X1 Exchange Agreement [Member]              
Class Of Stock [Line Items]              
Conversion of stock, shares converted     550,000        
Cormorant Global Healthcare Master Fund LP [Member] | Series X Non-Voting Convertible Preferred Stock [Member] | Conversion Agreement [Member]              
Class Of Stock [Line Items]              
Conversion of stock, shares converted 1,782            
Cormorant Global Healthcare Master Fund LP [Member] | Series X1 Non-voting Convertible Preferred Stock [Member] | Conversion Agreement [Member]              
Class Of Stock [Line Items]              
Conversion of stock, shares converted 7,883.586            
Cormorant Global Healthcare Master Fund LP [Member] | Common Stock [Member] | Series X Non-Voting Convertible Preferred Stock [Member] | Conversion Agreement [Member]              
Class Of Stock [Line Items]              
Conversion of stock, shares issued 99,000            
Cormorant Global Healthcare Master Fund LP [Member] | Common Stock [Member] | Series X1 Non-voting Convertible Preferred Stock [Member] | Conversion Agreement [Member]              
Class Of Stock [Line Items]              
Conversion of stock, shares issued 437,977