BUSINESS SEGMENTS (Details)	3 Months Ended								12 Months Ended
	Jan. 01, 2023 USD ($)	Sep. 25, 2022 USD ($)	Jun. 26, 2022 USD ($)	Mar. 27, 2022 USD ($)	Dec. 26, 2021 USD ($)	Sep. 26, 2021 USD ($)	Jun. 27, 2021 USD ($)	Mar. 28, 2021 USD ($)	Jan. 01, 2023 USD ($) segment	Dec. 26, 2021 USD ($)	Dec. 27, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment									2
Revenues	$ 77,282,512	$ 78,507,873	$ 74,089,166	$ 68,542,277	$ 67,694,450	$ 64,184,813	$ 57,397,722	$ 49,750,192	$ 298,421,828	$ 239,027,177	$ 207,125,480
Depreciation									597,382	685,546	757,038
Amortization:									3,455,876	3,012,783	4,103,750
Operating income (loss)									16,282,949	14,530,195	(1,228,913)
Capital Expenditures:									5,680,277	3,203,909	2,076,216
Total Assets	194,673,165				148,293,966				194,673,165	148,293,966
Discontinued operations | Instaff
Segment Reporting Information [Line Items]
Total Assets	0				14,411,380				0	14,411,380
Real Estate
Segment Reporting Information [Line Items]
Revenues									121,093,109	92,017,975	68,755,975
Professional
Segment Reporting Information [Line Items]
Revenues									177,328,719	147,009,202	138,369,505
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Depreciation									178,904	210,180	218,425
Operating income (loss)									19,803,015	14,663,443	9,671,504
Capital Expenditures:									135,259	105,547	81,918
Total Assets	29,302,189				20,753,085				29,302,189	20,753,085
Operating Segments | Professional
Segment Reporting Information [Line Items]
Depreciation									354,905	389,995	404,590
Amortization:									2,337,535	2,430,827	3,923,063
Operating income (loss)									15,603,944	10,340,171	7,514,924
Capital Expenditures:									89,840	107,476	184,611
Total Assets	141,018,474				92,782,442				141,018,474	92,782,442
Operating Segments | CARES Act Credit | Professional
Segment Reporting Information [Line Items]
Operating income (loss)									0	921,093	0
Operating Segments | Impairment Loss | Professional
Segment Reporting Information [Line Items]
Operating income (loss)									0	0	(7,239,514)
Home office
Segment Reporting Information [Line Items]
Depreciation									63,573	85,371	134,023
Amortization:									1,118,341	581,956	180,687
Capital Expenditures:									5,455,178	2,990,886	1,809,687
Total Assets	$ 24,352,502				$ 20,347,059				24,352,502	20,347,059
Home office | CARES Act Credit
Segment Reporting Information [Line Items]
Operating income (loss)									0	1,150,440	0
Home office | General and Administrative Expense
Segment Reporting Information [Line Items]
Operating income (loss)									(19,124,010)	(14,947,796)	(11,251,929)
Home office | Contingent consideration, net - current and long-term
Segment Reporting Information [Line Items]
Operating income (loss)									$ 0	$ 2,402,844	$ 76,102