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BUSINESS SEGMENTS (Reconciliation of Revenue and Operating Income) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 29, 2019 | Sep. 30, 2018 | Sep. 29, 2019 | Sep. 30, 2018 | Dec. 30, 2018
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | $ 79,364,306 | $ 77,062,137 | $ 221,998,263 | $ 214,863,045 |
Depreciation | 204,273 | 194,641 | 608,119 | 545,751 |
Amortization | 992,480 | 1,052,896 | 3,024,381 | 3,255,674 |
Operating income | 6,477,112 | 7,091,327 | 15,484,578 | 17,703,802 |
Capital expenditures | 860,264 | 228,814 | 1,534,016 | 681,333 |
Total assets | 105,993,250 |  | 105,993,250 |  | $ 100,268,803
Operating Segments | Real Estate |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 29,470,693 | 26,531,283 | 73,043,258 | 65,864,097 |
Depreciation | 50,957 | 44,784 | 140,490 | 125,820 |
Operating income | 5,523,769 | 4,958,373 | 12,464,689 | 11,285,951 |
Capital expenditures | 204,442 | 37,681 | 244,321 | 114,990 |
Total assets | 19,341,023 |  | 19,341,023 |  | 12,647,505
Operating Segments | Professional |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 31,506,017 | 29,171,990 | 93,421,017 | 90,394,110 |
Depreciation | 82,201 | 74,488 | 251,152 | 190,952 |
Amortization | 986,274 | 1,047,510 | 3,005,618 | 3,132,372 |
Operating income | 2,144,549 | 2,143,426 | 6,190,331 | 6,499,285 |
Capital expenditures | 77,809 | 121,170 | 474,668 | 382,925 |
Total assets | 61,100,018 |  | 61,100,018 |  | 62,403,104
Operating Segments | Light Industrial |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 18,387,596 | 21,358,864 | 55,533,988 | 58,604,838 |
Depreciation | 23,663 | 23,446 | 73,673 | 76,372 |
Amortization | 0 | 0 | 0 | 110,251 |
Operating income | 1,174,142 | 1,560,895 | 3,514,758 | 3,948,874 |
Capital expenditures | 76,103 | 44,018 | 83,734 | 87,990 |
Total assets | 18,765,095 |  | 18,765,095 |  | 18,992,392
Corporate, Non-Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Depreciation | 47,452 | 51,923 | 142,804 | 152,607 |
Amortization | 6,206 | 5,386 | 18,763 | 13,051 |
Capital expenditures | 501,910 | 25,945 | 731,293 | 95,428 |
Total assets | 6,787,114 |  | 6,787,114 |  | $ 6,225,802
Corporate, Non-Segment | Selling and Marketing Expense |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income | (131,389) | (212,877) | (399,370) | (541,467) |
Corporate, Non-Segment | General and Administrative Expense |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income | (2,233,959) | (2,346,793) | (6,285,830) | (5,649,148) |
Corporate, Non-Segment | Contingent Consideration |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income | $ 0 | $ 988,303 | $ 0 | $ 2,160,307 |

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