INTANGIBLE ASSETS (Schedule of Intangible Assets) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	$ 1,106,800	$ 923,775	$ 2,227,105	$ 1,874,124
Amortization of intangible assets	1,224,745	1,002,817	2,412,187	2,031,900
Total expense	1,243,567	1,021,904	2,449,831	2,056,793
Client partner lists
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	1,040,405	881,525	2,091,021	1,789,624
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	66,395	42,250	136,084	84,500
Amortization Expense | Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	117,945	79,042	185,082	157,776
Selling, General and Administrative Expenses | Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 18,822	$ 19,087	$ 37,644	$ 24,893