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SHARE-BASED COMPENSATION- Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Jan. 01, 2023 | Dec. 26, 2021 | Dec. 27, 2020 | Nov. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Capital shares reserved for future issuance (in shares) | 1,012,967 |  |  | 250,000
Conversion of stock, shares issued (in shares) | 0 | 213 | 0 |
Exercised (in shares) |  | (600) |  |
Issuance of ESPP shares (in shares) | 59,506 | 31,776 |  |
Employee Stock Option |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Compensation cost related to stock awards | $ 700,000 | $ 600,000 | $ 500,000 |
Unamortized stock compensation expense | $ 900,000 |  |  |
Unamortized stock compensation expense, recognition period | 2 years 8 months 12 days |  |  |
Exercised (in shares) | (1,000) | (1,350) |  |
Restricted Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Compensation cost related to stock awards | $ 400,000 | $ 500,000 | 300,000 |
Unamortized stock compensation expense | $ 600,000 |  |  |
Unamortized stock compensation expense, recognition period | 1 year 9 months 18 days |  |  |
Warrant |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Compensation cost related to stock awards | $ 0 | $ 0 | $ 0 |
Unamortized stock compensation expense | $ 0 |  |  |
Long Term Incentive Plan 2013 | Vested Immediately |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting rights, percentage | 20.00% |  |  |
Long Term Incentive Plan 2013 | Vesting Over Four Years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting rights, percentage | 20.00% |  |  |
Maximum | Long Term Incentive Plan 2013 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Expiration period, options (in years) | 10 years |  |  |

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