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Capital Stock (Detail) - USD ($)
3 Months Ended 9 Months Ended
Nov. 03, 2021
Feb. 09, 2021
Sep. 24, 2023
Jun. 25, 2023
Mar. 26, 2023
Sep. 24, 2023
Dec. 25, 2022
May 08, 2018
Equity Class Of Treasury Stock [Line Items]                
Stock repurchase program, authorized amount               $ 65,000,000
Common stock, par value (in USD per share)     $ 0.01     $ 0.01 $ 0.01  
Warrants outstanding     1,123,589     1,123,589    
Proceeds from exercise of warrants     $ 0 $ 96,000 $ 865,000      
Warrants                
Equity Class Of Treasury Stock [Line Items]                
Placement agent fees and offering expenses   $ 1,000,000            
Proceeds from exercise of warrants     $ 0 $ (34,000) $ (313,000)      
Common Stock                
Equity Class Of Treasury Stock [Line Items]                
Issuance of common shares and warrants, net of fees (in shares)     0 18,000 159,000      
Proceeds from exercise of warrants         $ 1,000      
Securities purchase agreement                
Equity Class Of Treasury Stock [Line Items]                
Issuance of common shares and warrants, net of fees (in shares)   3,249,668            
Common stock, par value (in USD per share)   $ 0.01            
Securities purchase agreement | Warrants                
Equity Class Of Treasury Stock [Line Items]                
Issuance of common shares and warrants, net of fees (in shares)   1,299,861            
Exercise price of warrants (in USD per share)   $ 5.45            
Proceeds from securities purchase agreement   $ 16,000,000            
Securities purchase agreement | Common Stock                
Equity Class Of Treasury Stock [Line Items]                
Issuance of common shares and warrants, net of fees (in shares)     0     176,272    
William Blair                
Equity Class Of Treasury Stock [Line Items]                
Proceeds from exercise of warrants $ 40,000,000