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Share-Based Compensation - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 11, 2024
Nov. 02, 2024
Oct. 28, 2023
Nov. 02, 2024
Oct. 28, 2023
Jan. 31, 2024
Jun. 06, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares outstanding   424,749   424,749   523,349  
Number of options granted       0   0  
Annual compensation amount   $ 353,000 $ 311,000 $ 1,159,000 $ 1,065,000    
Reservation of shares under Stock Purchase Plan       40,000      
Employee Stock Purchase Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Employee Stock Purchase Plan discount rate       15.00%      
2007 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares outstanding   181,649   181,649      
2018 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares outstanding   130,500   130,500      
Shares available for grant under the Plan             600,000
2018 Equity Incentive Plan [Member] | Minimum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares available for grant under the Plan             950,000
2018 Equity Incentive Plan [Member] | Maximum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares available for grant under the Plan             1,550,000
2022 Employee Stock Purchase Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares available for grant under the Plan   17,270   17,270      
Prior Employee Stock Purchase Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares purchase under Employee Stock Purchase Plan       7,788      
Stock Options [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unrecognized compensation expense related to options   $ 0   $ 0      
Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unrecognized compensation expense to be recognized, Weighted average period       1 year 1 month 6 days      
Unrecognized compensation expense related to RSUs and RSAs   $ 1,600,000   $ 1,600,000      
Restricted Stock Units (RSUs) [Member] | 2018 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of unvested shares   132,996   132,996      
RSA [Member] | 2015 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares outstanding   112,600   112,600      
Performance Based RSUs [Member] | 2018 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of unvested shares   125,627   125,627      
Restricted Stock Award [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Percentage of number of shares granted       25.00%      
Annual compensation amount $ 72,800