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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Weighted Average Number of Shares (Details) - shares | 3 Months Ended | 12 Months Ended
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Jan. 01, 2023 | Sep. 25, 2022 | Jun. 26, 2022 | Mar. 27, 2022 | Dec. 26, 2021 | Sep. 26, 2021 | Jun. 27, 2021 | Mar. 28, 2021 | Jan. 01, 2023 | Dec. 26, 2021 | Dec. 27, 2020
Schedule of Weighted Average Number of Shares, Diluted [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted-average number of basic common shares outstanding | 10,500,733 | 10,492,396 | 10,472,353 | 10,428,897 | 10,414,262 | 10,380,902 | 10,340,243 | 10,332,817 | 10,426,821 | 10,367,054 | 10,311,606
Weighted-average number of diluted common shares outstanding (in shares) | 10,544,323 | 10,532,918 | 10,514,261 | 10,485,104 | 10,464,885 | 10,427,114 | 10,391,925 | 10,394,841 | 10,472,845 | 10,416,610 | 10,338,029
Stock options and restricted stock |  |  |  |  |  |  |  |  |  |  |
Schedule of Weighted Average Number of Shares, Diluted [Line Items] |  |  |  |  |  |  |  |  |  |  |
Effect of dilutive securities (in shares) |  |  |  |  |  |  |  |  | 46,024 | 49,556 | 26,423

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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126962052&loc=d3e4991-113900 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1707-109256 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1500-109256 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 23 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1757-109256 + Details
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