XML 39 R30.htm IDEA: XBRL DOCUMENT v3.22.4
Stockholders' Equity - Common Stock - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Oct. 12, 2022
Dec. 31, 2022
Jul. 25, 2022
Jan. 29, 2021
Jan. 19, 2021
Class Of Stock [Line Items]          
Securities authorized for offer and sale, amount         $ 150,000,000.0
2021 Inducement Equity Plan [Member]          
Class Of Stock [Line Items]          
Common shares authorized to be issued   750,000      
Equity Incentive Plan 2022 [Member]          
Class Of Stock [Line Items]          
Common shares authorized to be issued 1,363,000   750,000    
Excercise price per share $ 2.75        
Equity Incentive Plan 2022 [Member] | Common Stock [Member]          
Class Of Stock [Line Items]          
Common shares authorized to be issued 50,000        
Equity Incentive Plan 2012 [Member]          
Class Of Stock [Line Items]          
Common shares authorized to be issued 1,236,738        
Common stock shares issued 126,262        
2022 Inducement Equity Plan [Member]          
Class Of Stock [Line Items]          
Common shares authorized to be issued 1,000        
Maximum [Member] | Equity Incentive Plan 2022 [Member] | Common Stock [Member]          
Class Of Stock [Line Items]          
Common shares authorized to be issued 51,000        
2018 Sales Agreement [Member]          
Class Of Stock [Line Items]          
Equity sales agreement expiration date   Feb. 22, 2021      
ATM Prospectus Supplement [Member]          
Class Of Stock [Line Items]          
Issuance of common stock from stock options exercises, net, Shares   1,580,862      
Value of shares sold under equity distribution agreement   $ 21,700,000      
2021 Shelf [Member]          
Class Of Stock [Line Items]          
Common stock value reserved for future issuance   100,000,000.0      
IPO [Member]          
Class Of Stock [Line Items]          
Securities authorized for offer and sale, amount   100,000,000.0      
At-The-Market Facility [Member] | ATM Prospectus Supplement [Member]          
Class Of Stock [Line Items]          
Common stock value reserved for future issuance   $ 28,300,000      
Issuance of common stock from stock options exercises, net, Shares   0      
At-The-Market Facility [Member] | ATM Prospectus Supplement [Member] | Maximum [Member]          
Class Of Stock [Line Items]          
Common stock value reserved for future issuance       $ 50,000,000.0