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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 |  |  |  |  |  |

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