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Shareholders' Equity and Share-Based Compensation (Tables) | 12 Months Ended
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Apr. 30, 2022
Equity [Abstract] |
Schedule of Nonvested Restricted Stock and Restricted Stock Units Activity | A summary of non-vested restricted stock and restricted stock units for fiscal years 2022, 2021, and 2020 is as follows:
| Year Ended
| April 30, 2022 |  | May 1, 2021 |  | May 2, 2020
| Number of Nonvested Shares |  | Weighted Average Grant Date Fair Value Per Share |  | Number of Nonvested Shares |  | Weighted Average Grant Date Fair Value Per Share |  | Number of Nonvested Shares |  | Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of year | 480 |  |  | $ | 5.62 |  |  | 449 |  |  | $ | 7.16 |  |  | 444 |  |  | $ | 7.58 |
Granted | 214 |  |  | 5.66 |  |  | 223 |  |  | 3.92 |  |  | 186 |  |  | 7.03 |
Vested | (213) |  |  | 5.58 |  |  | (176) |  |  | 7.27 |  |  | (173) |  |  | 8.10 |
Forfeited | (12) |  |  | 5.64 |  |  | (16) |  |  | 7.00 |  |  | (8) |  |  | 7.37 |
Outstanding at end of year | 469 |  |  | $ | 5.65 |  |  | 480 |  |  | $ | 5.62 |  |  | 449 |  |  | $ | 7.16 |
Share-based Payment Arrangement, Option, Activity | A summary of stock option activity under our 2015 Plan and 2020 Plan during the fiscal year ended April 30, 2022 is as follows:
| Stock Options |  | Weighted Average Exercise Price Per Share |  | Weighted Average Remaining Contractual Life (Years) |  | Aggregate Intrinsic Value
Outstanding at May 1, 2021 | 2,227 |  |  | $ | 8.53 |  |  | 4.83 |  | $ | 843 |
Granted | 223 |  |  | 5.66 |  |  | — |  |  | — |
Canceled or forfeited | (341) |  |  | 9.17 |  |  | — |  |  | — |
Exercised | (2) |  |  | 4.11 |  |  | — |  |  | 2 |
Outstanding at April 30, 2022 | 2,107 |  |  | $ | 8.13 |  |  | 4.98 |  | $ | — |
Shares vested and expected to vest | 2,075 |  |  | $ | 8.17 |  |  | 4.92 |  | $ | — |
Exercisable at April 30, 2022 | 1,371 |  |  | $ | 9.47 |  |  | 3.26 |  | $ | — |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The following table provides the weighted-average fair value of options granted and the related assumptions used in the Black-Scholes model:
| Year Ended
| April 30, 2022 |  | May 1, 2021 |  | May 2, 2020
Fair value of options granted | $ | 2.43 |  |  | $ | 1.71 |  |  | $ | 1.99 |
Risk-free interest rate | 1.07 | % |  | 0.43 | % |  | 1.51 | %
Expected dividend rate | — | % |  | — | % |  | 3.50 | %
Expected volatility | 40.60 | % |  | 40.53 | % |  | 37.55 | %
Expected life of option (in years) | 6.94 |  | 6.94 |  | 6.94
Share-based Compensation Expense | The following table presents a summary of the share-based compensation expense by equity type as follows:
| Year Ended
| April 30, 2022 |  | May 1, 2021 |  | May 2, 2020
Stock options | $ | 458 |  |  | $ | 450 |  |  | $ | 492 |
Restricted stock and stock units | 1,159 |  |  | 1,203 |  |  | 1,341 |
Employee stock purchase plans | 356 |  |  | 414 |  |  | 432 |
| $ | 1,973 |  |  | $ | 2,067 |  |  | $ | 2,265 |
A summary of the share-based compensation expense for stock options, restricted stock, restricted stock units and shares issued under the ESPP for fiscal years 2022, 2021, and 2020 is as follows:
| Year Ended
| April 30, 2022 |  | May 1, 2021 |  | May 2, 2020
Cost of sales | $ | 434 |  |  | $ | 472 |  |  | $ | 514 |
Selling | 472 |  |  | 484 |  |  | 572 |
General and administrative | 656 |  |  | 678 |  |  | 717 |
Product design and development | 411 |  |  | 433 |  |  | 462 |
| $ | 1,973 |  |  | $ | 2,067 |  |  | $ | 2,265 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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