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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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May 30, 2025 | May 31, 2024 | May 31, 2023
Pay vs Performance Disclosure [Table] |  |  |
Pay vs Performance Disclosure, Table | Pay Versus Performance In accordance with rules adopted by the SEC pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 and Item 402(v) of Regulation S-K, we provide the following disclosure regarding executive compensation actually paid (“CAP”) to our principal executive officer (“PEO”) and Non-PEO named executive officers (“NEOs”) and the Company’s performance for the fiscal years listed below. This disclosure is intended to comply with the requirements of Item 402(v) of Regulation S-K applicable to “smaller reporting companies.” The Compensation Committee did not consider the pay versus performance disclosure below in making its pay decisions for any of the years shown. For additional information about our pay for performance compensation philosophy and how the Company seeks to align executive compensation with the Company’s performance, refer to the section above titled “Executive Compensation.” The following table sets forth additional compensation information of our Principal Executive Officer (PEO) and our other (non-PEO) NEOs along with total shareholder return, and net income (loss) performance results for our fiscal years 2025, 2024, and 2023.
Year (1) |  | Summary Compensation Table Total for PEO (2) |  |  | Compensation Actually Paid to PEO (3)(4) |  |  | Average Summary Compensation Table Total for non-PEO NEOs(2) |  |  | Average Compensation Actually Paid to non-PEO NEOs (3)(5) |  |  | Value of Initial Fixed $100 Investment based on TSR (6) |  |  | Net Income (Loss) (Thousands) (7) |
(a) |  | (b) |  |  | (c) |  |  | (d) |  |  | (e) |  |  | (f) |  |  | (g) |
2025 |  | $ | 3,426,204 |  |  | $ | 2,255,093 |  |  | $ | 1,191,009 |  |  | $ | 869,035 |  |  | $ | 114 |  |  | $ | (3,910 | )
2024 |  | $ | 1,384,437 |  |  | $ | (927,657 | ) |  | $ | 958,215 |  |  | $ | 424,516 |  |  | $ | 137 |  |  | $ | 33,156 |
2023 |  | $ | 1,652,788 |  |  | $ | 6,947,121 |  |  | $ | 720,333 |  |  | $ | 2,487,538 |  |  | $ | 394 |  |  | $ | 14,557 |
(1) | NEOs included in the above compensation columns reflect the following:
Year |  | PEO |  | Non-PEO NEOs
2025 |  | Mr. Erickson |  | Messrs. Siu and Engineer
2024 |  | Mr. Erickson |  | Messrs. Siu and Rogers
2023 |  | Mr. Erickson |  | Messrs. Spink (a) and Rogers
(a) | Mr. Spink retired on August 31, 2023.
(2) | Amounts reported in column (b) represent the total compensation as reported in the Summary Compensation Table for the applicable year in the case of our PEO (for each year where he served as principal executive officer) and in column (d) represent the average of the total compensation as reported in the Summary Compensation Table for the Company’s other NEOs for the applicable year.
(3) | SEC rules require certain adjustments be made to the Summary Compensation Table totals to determine “compensation actually paid” as reported in the Pay Versus Performance Table. “Compensation actually paid” does not necessarily represent cash and/or equity value transferred to the applicable NEO without restriction, but rather is a value calculated under applicable SEC rules. In general, “compensation actually paid” amounts in columns (c) and (e) are calculated as Summary Compensation Table total compensation adjusted to include the fair market value of equity awards as of the last day of the applicable fiscal year or, if earlier, the vesting date (rather than the grant date). The fair values of RSUs and stock options are calculated at the required measurement dates, consistent with the approach used to value the awards at the grant date as described in our Annual Report on Form 10-K for fiscal 2025 filed with the SEC on July 28, 2025. Any changes to the RSU fair values from the grant date (for current year grants) and from prior year-end (for prior year grants) are based on our updated stock price at the respective measurement dates and updated performance metric projections (for performance-based RSUs). Changes to the stock option fair values are based on the updated stock price at the respective measurement dates, in addition to updated expected option term, implied volatility of our stock over the updated expected option term, and risk-free rate assumptions.
(4) | Compensation Actually Paid to our PEO reflects the following adjustments from “Total” compensation reported in the Summary Compensation Table:
|  | 2025 |  |  | 2024 |  |  | 2023 |
Total Reported in Summary Compensation Table (SCT) |  | $ | 3,426,204 |  |  | $ | 1,384,437 |  |  | $ | 1,652,788 |
Less, value of Stock Awards and Options Awards reported in SCT |  | $ | (2,655,001 | ) |  | $ | (751,870 | ) |  | $ | (1,007,281 | )
Plus, Year-End value of Awards Granted in Fiscal Year that are Unvested and Outstanding |  | $ | 1,368,360 |  |  | $ | 604,448 |  |  | $ | 3,580,299 |
Plus, Change in Fair Value of Prior Year awards that are Outstanding and Unvested |  | $ | (173,561 | ) |  | $ | (1,949,193 | ) |  | $ | 1,448,167 |
Plus, FMV of Awards Granted in the applicable year and that Vested in the applicable year |  | $ | 161,922 |  |  | $ | 44,625 |  |  | $ | 371,880 |
Plus, Change in Fair Value (from prior year-end) of Prior Year awards that Vested in the applicable year |  | $ | 127,169 |  |  | $ | (260,104 | ) |  | $ | 901,269 |
Less, Prior Year Fair Value of Prior Year awards that Failed to vest in the applicable year |  | $ | - |  |  | $ | - |  |  | $ | - |
Total Adjustments |  | $ | (1,171,111 | ) |  | $ | (2,312,094 | ) |  | $ | 5,294,333 |
Actual Compensation Paid |  | $ | 2,255,093 |  |  | $ | (927,657 | ) |  | $ | 6,947,121 |
(5) | The average Compensation Actually Paid to our non-PEO NEOs reflects the following adjustments from “Total” compensation reported in the Summary Compensation Table:
|  | 2025 |  |  | 2024 |  |  | 2023 |
Total Reported in Summary Compensation Table (SCT) |  | $ | 1,191,009 |  |  | $ | 958,215 |  |  | $ | 720,333 |
Less, value of Stock Awards and Options Awards reported in SCT |  | $ | (712,997 | ) |  | $ | (494,418 | ) |  | $ | (284,434 | )
Plus, Year-End value of Awards Granted in Fiscal Year that are Unvested and Outstanding |  | $ | 350,757 |  |  | $ | 163,505 |  |  | $ | 1,004,076 |
Plus, Change in Fair Value of Prior Year awards that are Outstanding and Unvested |  | $ | (22,703 | ) |  | $ | (222,069 | ) |  | $ | 515,444 |
Plus, FMV of Awards Granted in the applicable year and that Vested in the applicable year |  | $ | 61,099 |  |  | $ | 50,924 |  |  | $ | 102,374 |
Plus, Change in Fair Value (from prior year-end) of Prior Year awards that Vested in the applicable year |  | $ | 1,870 |  |  | $ | (31,641 | ) |  | $ | 429,745 |
Less, Prior Year Fair Value of Prior Year awards that Failed to vest in the applicable year |  | $ | - |  |  | $ | - |  |  | $ | - |
Total Adjustments |  | $ | (321,974 | ) |  | $ | (533,699 | ) |  | $ | 1,767,205 |
Actual Compensation Paid |  | $ | 869,035 |  |  | $ | 424,516 |  |  | $ | 2,487,538 |
(6) | Reflects a fixed investment of $100 in the Company on May 30, 2022 with the value measured at the end of the listed fiscal year. Historical stock performance is not necessarily indicative of future stock performance.
(7) | The amounts reported represent net income as reflected in the Company’s audited financial statements for the applicable fiscal year.
Description of Relationship Between PEOs and Non-PEO NEO Compensation Actually Paid and Company Total Shareholder Return (“TSR”) and Net Income. The following charts set forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO NEOs, and the Company’s (i) cumulative TSR and (ii) net income over the three most recently completed fiscal years. TSR amounts reported in the first chart assume an initial fixed investment of $100. The information provided above under the “Pay Versus Performance” heading will not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date hereof and irrespective of any general incorporation language in any such filing, except to the extent the Company specifically incorporates such information by reference. |  |
Adjustment To PEO Compensation, Footnote | In accordance with rules adopted by the SEC pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 and Item 402(v) of Regulation S-K, we provide the following disclosure regarding executive compensation actually paid (“CAP”) to our principal executive officer (“PEO”) and Non-PEO named executive officers (“NEOs”) and the Company’s performance for the fiscal years listed below. This disclosure is intended to comply with the requirements of Item 402(v) of Regulation S-K applicable to “smaller reporting companies.” The Compensation Committee did not consider the pay versus performance disclosure below in making its pay decisions for any of the years shown. For additional information about our pay for performance compensation philosophy and how the Company seeks to align executive compensation with the Company’s performance, refer to the section above titled “Executive Compensation.” The following table sets forth additional compensation information of our Principal Executive Officer (PEO) and our other (non-PEO) NEOs along with total shareholder return, and net income (loss) performance results for our fiscal years 2025, 2024, and 2023.
Year (1) |  | Summary Compensation Table Total for PEO (2) |  |  | Compensation Actually Paid to PEO (3)(4) |  |  | Average Summary Compensation Table Total for non-PEO NEOs(2) |  |  | Average Compensation Actually Paid to non-PEO NEOs (3)(5) |  |  | Value of Initial Fixed $100 Investment based on TSR (6) |  |  | Net Income (Loss) (Thousands) (7) |
(a) |  | (b) |  |  | (c) |  |  | (d) |  |  | (e) |  |  | (f) |  |  | (g) |
2025 |  | $ | 3,426,204 |  |  | $ | 2,255,093 |  |  | $ | 1,191,009 |  |  | $ | 869,035 |  |  | $ | 114 |  |  | $ | (3,910 | )
2024 |  | $ | 1,384,437 |  |  | $ | (927,657 | ) |  | $ | 958,215 |  |  | $ | 424,516 |  |  | $ | 137 |  |  | $ | 33,156 |
2023 |  | $ | 1,652,788 |  |  | $ | 6,947,121 |  |  | $ | 720,333 |  |  | $ | 2,487,538 |  |  | $ | 394 |  |  | $ | 14,557 |
Compensation Actually Paid vs. Total Shareholder Return |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Total Reported in Summary Compensation Table (SCT) |  | $ | 3,426,204 |  |  | $ | 1,384,437 |  |  | $ | 1,652,788 |
Less, value of Stock Awards and Options Awards reported in SCT |  | $ | (2,655,001 | ) |  | $ | (751,870 | ) |  | $ | (1,007,281 | )
Plus, Year-End value of Awards Granted in Fiscal Year that are Unvested and Outstanding |  | $ | 1,368,360 |  |  | $ | 604,448 |  |  | $ | 3,580,299 |
Plus, Change in Fair Value of Prior Year awards that are Outstanding and Unvested |  | $ | (173,561 | ) |  | $ | (1,949,193 | ) |  | $ | 1,448,167 |
Plus, FMV of Awards Granted in the applicable year and that Vested in the applicable year |  | $ | 161,922 |  |  | $ | 44,625 |  |  | $ | 371,880 |
Plus, Change in Fair Value (from prior year-end) of Prior Year awards that Vested in the applicable year |  | $ | 127,169 |  |  | $ | (260,104 | ) |  | $ | 901,269 |
Less, Prior Year Fair Value of Prior Year awards that Failed to vest in the applicable year |  | $ | - |  |  | $ | - |  |  | $ | - |
Total Adjustments |  | $ | (1,171,111 | ) |  | $ | (2,312,094 | ) |  | $ | 5,294,333 |
Actual Compensation Paid |  | $ | 2,255,093 |  |  | $ | (927,657 | ) |  | $ | 6,947,121 |
Compensation Actually Paid vs. Net Income | Description of Relationship Between PEOs and Non-PEO NEO Compensation Actually Paid and Company Total Shareholder Return (“TSR”) and Net Income. The following charts set forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO NEOs, and the Company’s (i) cumulative TSR and (ii) net income over the three most recently completed fiscal years. TSR amounts reported in the first chart assume an initial fixed investment of $100. |  |
Additional 402(v) Disclosure [Text Block] | Reflects a fixed investment of $100 in the Company on May 30, 2022 with the value measured at the end of the listed fiscal year. Historical stock performance is not necessarily indicative of future stock performance. |  |
Named Executive Officers, Footnote [Text Block] | Mr. Spink retired on August 31, 2023. |  |
Adjustment to Non-PEO NEO Compensation Footnote |
(5) | The average Compensation Actually Paid to our non-PEO NEOs reflects the following adjustments from “Total” compensation reported in the Summary Compensation Table:
|  | 2025 |  |  | 2024 |  |  | 2023 |
Total Reported in Summary Compensation Table (SCT) |  | $ | 1,191,009 |  |  | $ | 958,215 |  |  | $ | 720,333 |
Less, value of Stock Awards and Options Awards reported in SCT |  | $ | (712,997 | ) |  | $ | (494,418 | ) |  | $ | (284,434 | )
Plus, Year-End value of Awards Granted in Fiscal Year that are Unvested and Outstanding |  | $ | 350,757 |  |  | $ | 163,505 |  |  | $ | 1,004,076 |
Plus, Change in Fair Value of Prior Year awards that are Outstanding and Unvested |  | $ | (22,703 | ) |  | $ | (222,069 | ) |  | $ | 515,444 |
Plus, FMV of Awards Granted in the applicable year and that Vested in the applicable year |  | $ | 61,099 |  |  | $ | 50,924 |  |  | $ | 102,374 |
Plus, Change in Fair Value (from prior year-end) of Prior Year awards that Vested in the applicable year |  | $ | 1,870 |  |  | $ | (31,641 | ) |  | $ | 429,745 |
Less, Prior Year Fair Value of Prior Year awards that Failed to vest in the applicable year |  | $ | - |  |  | $ | - |  |  | $ | - |
Total Adjustments |  | $ | (321,974 | ) |  | $ | (533,699 | ) |  | $ | 1,767,205 |
Actual Compensation Paid |  | $ | 869,035 |  |  | $ | 424,516 |  |  | $ | 2,487,538 |
PEO Total Compensation Amount | $ 3,426,204 | $ 1,384,437 | $ 1,652,788
PEO Actually Paid Compensation Amount | 2,255,093 | (927,657) | 6,947,121
Non-PEO NEO Average Total Compensation Amount | 1,191,009 | 958,215 | 720,333
Non-PEO NEO Average Compensation Actually Paid Amount | 869,035 | 424,516 | 2,487,538
Total Shareholder Return Amount | 114,000 | 137,000 | 394,000
Net Income (Loss) | $ (3,910,000) | $ 33,156,000 | $ 14,557,000
PEO Name | Mr. Erickson | Mr. Erickson | Mr. Erickson
Non-PEO NEO | Messrs. Siu and Engineer | Messrs. Siu and Rogers | Messrs. Spink (a) and Rogers

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