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SHARE-BASED COMPENSATION- Stock Options and Restricted Stock (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 26, 2021 | Dec. 27, 2020 | Dec. 29, 2019 | Dec. 31, 2017 | Nov. 30, 2020 | May 16, 2017 | Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Capital shares reserved for future issuance | 1,043,630 |  |  |  | 250,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |  |  |  |  |  |  |
Exercised (in shares) | (600) |  | (39,014) |  |  |  |
Common stock, shares outstanding (in shares) | 10,425,210 | 10,328,379 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |
Options exercisable, weighted average remaining contractual term | 5 years 10 months 24 days | 6 years 3 months 18 days |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value [Abstract] |  |  |  |  |  |  |
Options exercisable at beginning of period | $ 452 | $ 463 |  |  |  |  |
Options exercisable at ending of period | 452 | 463 |  |  |  |  |
Employee Stock Option |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Compensation cost related to stock awards | 600 | $ 500 | $ 600 |  |  |  |
Unamortized stock compensation expense | $ 900 |  |  |  |  |  |
Unamortized stock compensation expense, recognition period | 2 years 4 months 24 days |  |  |  |  |  |
Conversion of stock, shares issued (in shares) | 213 |  | 16,777 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] |  |  |  |  |  |  |
Weighted-average fair value of warrants | $ 4.91 | $ 4.60 | $ 5.08 |  |  |  |
Weighted-average risk-free interest rate | 0.80% | 0.40% | 2.30% |  |  |  |
Weighted-average dividend yield | 35.00% | 96.00% | 118.00% |  |  |  |
Weighted-average volatility factor | 53.30% | 53.60% | 42.60% |  |  |  |
Weighted-average expected life | 10 years | 10 years | 10 years |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |  |  |  |  |  |  |
Granted (in shares) |  | 93,610 |  |  |  |  |
Forfeited / Canceled (in shares) | (72,350) |  | (30,200) |  |  |  |
Options outstanding at ending of period (in shares) | 695,329 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] |  |  |  |  |  |  |
Granted (in dollars per share) |  | $ 10.28 |  |  |  |  |
Forfeited / Canceled (in dollars per share) | $ 15.01 |  | $ 16.53 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |
Options outstanding, weighted average remaining contractual term | 6 years 8 months 12 days | 7 years 1 month 6 days | 7 years 8 months 12 days | 8 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value [Abstract] |  |  |  |  |  |  |
Options outstanding at beginning of period | $ 665 | $ 2,412 | $ 2,295 |  |  |  |
Options outstanding at ending of period | $ 665 | $ 665 | 2,412 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |  |  |  |  |
Nonvested, number of shares | 219,564 | 235,938 |  |  |  |  |
Nonvested options, weighted average grant date fair value | $ 12.73 | $ 18.83 |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Compensation cost related to stock awards | $ 500 | $ 300 | $ 200 |  |  |  |
Unamortized stock compensation expense | $ 600 |  |  |  |  |  |
Unamortized stock compensation expense, recognition period | 2 years 4 months 24 days |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |  |  |  |  |  |  |
Options outstanding at beginning of period (in shares) | 652,655 | 564,845 | 495,485 |  |  |  |
Granted (in shares) | 116,374 |  | 138,750 |  |  |  |
Exercised (in shares) |  |  | (39,190) |  |  |  |
Forfeited / Canceled (in shares) |  | (5,800) |  |  |  |  |
Options outstanding at ending of period (in shares) | 60,844 | 652,655 | 564,845 |  |  |  |
Options exercisable (in shares) | 475,765 | 416,717 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] |  |  |  |  |  |  |
Options outstanding at beginning of period (in dollars per share) | $ 17.63 | $ 18.90 | $ 17.53 |  |  |  |
Granted (in dollars per share) | 11.57 |  | 21.49 |  |  |  |
Exercised (in dollars per share) |  |  | 12.60 |  |  |  |
Forfeited / Canceled (in dollars per share) |  | 22.22 |  |  |  |  |
Options outstanding at ending of period (in dollars per share) | 16.91 | 17.63 | $ 18.90 |  |  |  |
Options exercisable at beginning of period (in dollars per share) (in shares) | 17.62 | 16.96 |  |  |  |  |
Options exercisable at ending of period (in dollars per share) (in shares) | $ 17.62 | $ 16.96 |  |  |  |  |
Long Term Incentive Plan 2013 |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Capital shares reserved for future issuance | 500,000 |  |  |  |  |  | 900,000
Additional capital shares reserved for future issuance |  |  |  |  |  | 250,000 |
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% |  |  |  |  |  |
Long Term Incentive Plan 2013 | Maximum |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Expiration period, options (in years) | 10 years |  |  |  |  |  |

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