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Share-Based Payment Awards - Employee Stock Purchase Plan - Additional Information (Detail) - USD ($)
3 Months Ended
Jun. 25, 2019
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Jun. 22, 2021
Class Of Stock [Line Items]          
Employee stock purchase plan   $ 248,000 $ 201,000    
Common stock, shares issued   34,301,926   34,082,934  
Stock-based compensation expense   $ 3,050,000 3,477,000    
ESPP [Member]          
Class Of Stock [Line Items]          
Number of common stock, authorized for issuance 110,000       250,000
Price of common stock purchased twice a year under ESPP, percent 85.00%        
Employee stock purchase plan $ 25,000        
Employee stock purchase plan, shares 5,000        
Consecutive six month offering period Aug. 01, 2019        
Common stock, shares issued   63,721      
Stock-based compensation expense   $ 47,000 $ 33,000