Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Issued and Outstanding Shares - Additional Information (Detail)

v3.22.1
Common Stock - Issued and Outstanding Shares - Additional Information (Detail) - USD ($)
 3 Months Ended
May 27, 2021
Mar. 31, 2022
Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock option exercises, Shares   0 0
Restricted stock unit settlements   0 0
May 2021 Public Offering [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Gross proceeds from issuance of common stock $ 23,000,000.0    
Underwriting discounts and commissions and offering expenses 1,700,000    
Proceeds from issuance of common stock $ 21,300,000    
At-the-Market Sales Agreement [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Common stock, shares issued   12,742  
Common stock aggregate maximum offering amount   $ 25,000,000  
Gross proceeds   100,000  
Common stock available for sale under offering   $ 24,900,000  
Common stock [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Common stock, shares issued   3,584 2,965
Common stock [Member] | May 2021 Public Offering [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Common stock, shares issued 3,285,714    
Common stock, price per share $ 7.00    
Common stock [Member] | Underwriters Over-Allotment Option Exercise [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Common stock, shares issued 428,571