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BUSINESS SEGMENTS (Reconciliation of Revenue and Operating Income) (Details) - USD ($)	3 Months Ended
	Apr. 02, 2023	Mar. 27, 2022	Jan. 01, 2023
Segment Reporting Information [Line Items]
Revenues	$ 75,316	$ 68,542
Depreciation	127	160
Amortization	1,630	739
Operating income	(20,730)	2,815
Capital expenditures	745	2,051
Total assets	171,881		$ 194,673
Impairment losses	(22,545)	0
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Revenues	28,405	25,916
Depreciation	35	47
Operating income	4,690	4,035
Capital expenditures	33	9
Total assets	28,421		29,302
Operating Segments | Professional
Segment Reporting Information [Line Items]
Revenues	46,911	42,626
Depreciation	76	96
Amortization	1,363	558
Operating income	2,627	3,470
Capital expenditures	48	24
Total assets	114,074		141,018
Home office
Segment Reporting Information [Line Items]
Depreciation	16	17
Amortization	267	181
Capital expenditures	664	2,018
Total assets	29,386		$ 24,353
Home office | General and Administrative Expense
Segment Reporting Information [Line Items]
Operating income	$ (5,502)	$ (4,690)

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