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Stock-Based Compensation - Narrative (Detail) - USD ($) |  |  |  |  |  |  |  | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 28, 2023 | Sep. 27, 2023 | Jul. 03, 2023 | Oct. 03, 2022 | Aug. 10, 2022 | Jul. 01, 2022 | Jul. 22, 2021 | Oct. 29, 2023 | Oct. 30, 2022 | Sep. 16, 2015
Performance Based Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation award, vested |  |  |  |  |  |  |  |  |  |  |  | 0 |  |
Remaining unrecognized compensation expense |  |  |  |  |  |  |  |  |  |  |  | $ 759,000 |  |
Weighted average period over which unrecognized compensation expense is expected to be recognized |  |  |  |  |  |  |  |  |  |  |  | 2 years 8 months 12 days |  |
Fair value of units expected to vest |  |  |  |  |  |  |  |  |  |  |  | $ 674,000 |  |
Performance Based Restricted Stock Units [Member] | Senior Executives [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation award, granted | [1],[2] | 227,497 |  |  |  |  | 178,714 |  |  | 122,476 |  |  |  |
Share-based compensation award, vested | [3] |  |  |  |  |  |  |  |  |  |  |  | 545 |
Price Per Share | [2] | $ 6.43 | [4] |  |  |  | $ 5.77 | [5] |  | $ 15.93 | [6] |  |  |
Performance Based Restricted Stock Units [Member] | Key Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation award, granted | [1],[7] |  |  |  |  |  |  |  |  | 20,500 |  |  |  |
Share-based compensation award, vested | [8] |  |  |  |  |  |  |  |  |  |  |  | 437 |
Price Per Share | [7],[9] |  |  |  |  |  |  |  |  | $ 14.75 |  |  |  |
Performance Based Restricted Stock Units [Member] | Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  |  |  |  |  |  |  |  | $ 23,000 | $ 2,000 |
Time-Based Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation award, vested |  |  |  |  |  |  |  |  |  |  |  | 151,653 | 32,799 |
Remaining unrecognized compensation expense |  |  |  |  |  |  |  |  |  |  |  | $ 1,300,000 |  |
Weighted average period over which unrecognized compensation expense is expected to be recognized |  |  |  |  |  |  |  |  |  |  |  | 1 year 10 months 24 days |  |
Fair value of units expected to vest |  |  |  |  |  |  |  |  |  |  |  | $ 1,600,000 |  |
Time-Based Restricted Stock Units [Member] | Outside Directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation award, granted | [10] | 59,928 |  |  |  |  |  |  |  |  |  |  |  |
Price Per Share | [10],[11] | $ 5.59 |  |  |  |  |  |  |  |  |  |  |  |
Time-Based Restricted Stock Units [Member] | Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  |  |  |  |  |  |  |  | 378,000 | $ 396,000 |
Common Stock Awards [Member] | Outside Directors [Member] | Immediate Vesting [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation award, granted |  |  |  |  | 16,616 | 18,326 |  |  | 19,753 |  |  |  |  |
Price Per Share |  |  |  |  | $ 5.04 | $ 4.57 |  |  | $ 4.24 |  |  |  |  |
Common Stock Awards [Member] | Selling, General and Administrative Expenses [Member] | Outside Directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  |  |  |  |  |  |  |  | $ 84,000 | $ 167,000 |
2015 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock authorized for issuance |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,200,000
Amended and Restated Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock authorized for issuance additional |  |  |  | 960,000 |  |  |  |  |  |  |  |  |  |
Number of shares available for future equity based grants |  |  |  |  |  |  |  |  |  |  |  | 765,399 |  |
[1] | Amounts represent the maximum number of common stock shares that could be earned if certain performance targets are met as defined in the related restricted stock unit agreements.
[2] | Performance-based restricted stock units awarded to senior executives.
[3] | Performance-based restricted stock units vested by senior executives.
[4] | Price per share represents the fair market value per share ($1.15 per $1, or an increase of $0.84 to the closing price of our common stock on the date of grant) determined using the Monte Carlo simulation model for the market-based total shareholder return component and the closing price of our common stock ($5.59) for the performance-based component of the performance-based restricted stock units granted to senior executives on September 28, 2023.
[5] | Price per share represents the fair market value per share ($1.14 per $1, or an increase of $0.71 to the closing price of our common stock on the date of grant) determined using the Monte Carlo simulation model for the market-based total shareholder return component and the closing price of our common stock ($5.06) for the performance-based component of the performance-based restricted stock units granted to senior executives on August 10, 2022.
[6] | Price per share represents the fair market value per share ($1.08 per $1, or an increase of $1.18 to the closing price of our common stock on the date of grant) determined using the Monte Carlo simulation model for the market-based total shareholder return component and the closing price of our common stock ($14.75) for the performance-based component of the performance-based restricted stock units granted to senior executives on July 22, 2021.
[7] | Performance-based restricted stock units awarded to key employees.
[8] | Performance-based restricted stock units vested by key employees.
[9] | Price per share represents the closing price of our common stock on the date of grant.
[10] | Time-based restricted stock units awarded to outside directors.
[11] | Price per share represents closing price of common stock on the date the respective award was granted.

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