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BUSINESS SEGMENTS (Reconciliation of Revenue and Operating Income) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019	Dec. 29, 2019
Segment Reporting Information [Line Items]
Revenues	$ 62,606,334	$ 73,857,890	$ 136,673,763	$ 142,633,957
Depreciation	219,206	201,420	446,478	403,846
Amortization	1,224,745	1,002,817	2,412,187	2,031,900
Operating income	(6,084,763)	5,420,758	(3,427,369)	9,007,467
Capital expenditures	847,294	332,288	1,896,967	673,752
Total assets	126,955,730		126,955,730		$ 115,586,044
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Revenues	11,780,445	24,396,782	31,808,278	43,572,565
Depreciation	53,796	45,420	109,136	89,533
Amortization	0	0	0	0
Operating income	773,842	4,121,208	3,813,116	6,940,920
Capital expenditures	17,549	29,218	43,273	39,879
Total assets	11,688,225		11,688,225		16,785,163
Operating Segments | Professional
Segment Reporting Information [Line Items]
Revenues	36,649,443	31,321,332	72,993,349	61,915,000
Depreciation	109,307	84,469	208,740	168,951
Amortization	1,167,329	996,539	2,348,164	2,019,344
Operating income	(5,640,933)	2,212,221	(3,801,152)	4,045,781
Capital expenditures	32,926	68,211	73,898	396,859
Total assets	87,487,331		87,487,331		72,623,242
Operating Segments | Light Industrial
Segment Reporting Information [Line Items]
Revenues	14,176,446	18,139,776	31,872,136	37,146,392
Depreciation	25,049	24,589	52,154	50,011
Operating income	870,454	1,137,627	1,967,552	2,340,616
Capital expenditures	3,201	5,476	3,201	7,631
Total assets	12,993,467		12,993,467		15,223,581
Home office
Segment Reporting Information [Line Items]
Depreciation	31,054	46,942	76,448	95,351
Amortization	57,416	6,278	64,023	12,556
Capital expenditures	793,618	229,383	1,776,595	229,383
Total assets	14,786,707		14,786,707		$ 10,954,058
Home office | Selling and Marketing Expense
Segment Reporting Information [Line Items]
Operating income	(147,148)	(135,553)	(239,810)	(267,981)
Home office | General and Administrative Expense
Segment Reporting Information [Line Items]
Operating income	$ (1,940,978)	$ (1,914,745)	$ (5,167,075)	$ (4,051,869)

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