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Stockholders' Equity - Additional Information (Detail)
1 Months Ended 3 Months Ended 6 Months Ended 25 Months Ended
Apr. 06, 2022
USD ($)
$ / shares
shares
Oct. 18, 2021
USD ($)
PrivatePlacement
$ / shares
shares
Oct. 05, 2021
USD ($)
$ / shares
shares
Jun. 18, 2021
shares
Jul. 31, 2022
USD ($)
shares
May 31, 2022
USD ($)
Oct. 31, 2021
PrivatePlacement
Jun. 30, 2020
USD ($)
Jun. 30, 2022
$ / shares
shares
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2022
$ / shares
shares
Dec. 31, 2021
$ / shares
Stockholders Equity [Line Items]                            
Estimated commissions and allocated fees | $                     $ 34,000 $ 89,000    
Proceeds from sale of common stock and warrants under private placement, net of issuance costs | $                     $ 51,826,000      
Common Stock, Par or Stated Value Per Share | $ / shares                 $ 0.001   $ 0.001   $ 0.001 $ 0.001
Proceeds from exercises of warrants | $                     $ 5,892,000      
Warrant [Member]                            
Stockholders Equity [Line Items]                            
Common Stock, Par or Stated Value Per Share | $ / shares                 $ 0.001   $ 0.001   $ 0.001  
Private Placement [Member]                            
Stockholders Equity [Line Items]                            
Number of private placements | PrivatePlacement             2              
Private Placement [Member] | Subsequent Events [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock         3,000,000.0                  
Proceeds from exercises of warrants | $         $ 4,100,000                  
Private Placement [Member] | Investor [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock     9,852,138                      
Private Placement [Member] | New Enterprise Associates 16, L.P [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock   3,703,704                        
Proceeds from sale of common stock and warrants under private placement, net of issuance costs | $   $ 13,700,000                        
Number of private placements | PrivatePlacement   2                        
Proceeds from issuance of private placement net of issuance costs | $   $ 1,100,000                        
Private Placement [Member] | Common Stock [Member]                            
Stockholders Equity [Line Items]                            
Sale of stock during the period                 4,580,526   4,580,526      
Private Placement [Member] | Common Stock [Member] | Investor [Member]                            
Stockholders Equity [Line Items]                            
Sale of stock during the period     2,373,201                      
Warrants to purchase aggregate shares of common stock     4,746,402                      
Private Placement [Member] | Common Stock [Member] | New Enterprise Associates 16, L.P [Member]                            
Stockholders Equity [Line Items]                            
Sale of stock during the period   1,851,852                        
Private Placement [Member] | Common Stock [Member] | Securities Purchase Agreement [Member]                            
Stockholders Equity [Line Items]                            
Sale of stock during the period 4,580,526                          
Combined price of each shares | $ / shares $ 1.90                          
Private Placement [Member] | Pre-funded Warrants [Member] | Investor [Member]                            
Stockholders Equity [Line Items]                            
Exercise price per share of warrants | $ / shares     $ 0.001                      
Private Placement [Member] | Pre-funded Warrants [Member] | Securities Purchase Agreement [Member]                            
Stockholders Equity [Line Items]                            
Combined price of each shares | $ / shares $ 1.899                          
Proceeds from sale of common stock and warrants under private placement, net of issuance costs | $ $ 55,000,000.0                          
Exercise price per share of warrants | $ / shares $ 0.001                          
Private Placement [Member] | Common Stock and Accompanying Common Stock Warrants [Member] | Investor [Member]                            
Stockholders Equity [Line Items]                            
Combined price of each shares | $ / shares     1.62                      
Private Placement [Member] | Common Stock and Accompanying Common Stock Warrants [Member] | New Enterprise Associates 16, L.P [Member]                            
Stockholders Equity [Line Items]                            
Combined price of each shares | $ / shares   $ 1.62                        
Proceeds from sale of common stock and warrants under private placement, net of issuance costs | $   $ 3,000,000.0                        
Private Placement [Member] | Pre-funded Warrant and Accompanying Common Stock Warrants [Member] | Investor [Member]                            
Stockholders Equity [Line Items]                            
Combined price of each shares | $ / shares     $ 1.619                      
Proceeds from sale of common stock and warrants under private placement, net of issuance costs | $     $ 11,800,000                      
Private Placement [Member] | Common Stock Warrants | Investor [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock     7,299,270                      
Exercise price per share of warrants | $ / shares     $ 1.37                      
Warrants expiration date     Apr. 05, 2025                      
Private Placement [Member] | Common Stock Warrants | New Enterprise Associates 16, L.P [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock   1,851,852                        
Exercise price per share of warrants | $ / shares   $ 1.37                        
Warrants expiration date   Apr. 18, 2025                        
Private Placement [Member] | Warrant [Member] | Subsequent Events [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock         3,000,000.0                  
Proceeds from exercises of warrants | $         $ 4,100,000                  
Private Placement [Member] | Warrant [Member] | Investor [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock     7,299,270                      
Warrants expiration date     Oct. 05, 2028                      
Private Placement [Member] | Warrant [Member] | New Enterprise Associates 16, L.P [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock   1,851,852                        
Warrants expiration date   Oct. 18, 2028                        
Maximum [Member] | Private Placement [Member] | Pre-funded Warrants [Member] | Investor [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock     4,926,069                      
Maximum [Member] | Private Placement [Member] | Pre-funded Warrants [Member] | Securities Purchase Agreement [Member]                            
Stockholders Equity [Line Items]                            
Warrants to purchase aggregate shares of common stock 24,379,673                          
ATM Sales Agreement [Member]                            
Stockholders Equity [Line Items]                            
Aggregate offering price of common stock which may issue and sell under agreement | $           $ 50,000,000.0   $ 12,000,000.0     $ 62,000,000.0      
Sale of stock during the period                 0 1,365,871 0 2,733,492 3,583,394  
Proceeds from issuance of common stock | $                   $ 3,000,000.0 $ 11,000,000.0 $ 7,400,000    
Estimated commissions and allocated fees | $                   $ 300,000 $ 800,000 $ 600,000    
Common Stock Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member]                            
Stockholders Equity [Line Items]                            
Shares agreed to be issued over period under equity line financing       24 months                    
Issuance of common stock to Lincoln Park Capital Fund (in shares)       170,088                    
Common Stock Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member] | Maximum [Member]                            
Stockholders Equity [Line Items]                            
Shares agreed to be issued under equity line financing       15,000,000.0