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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 27, 2020 USD ($)	Sep. 29, 2019 USD ($)	Sep. 27, 2020 USD ($) segment	Sep. 29, 2019 USD ($)	Dec. 29, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Effective income tax rate reconciliation, percent	22.00%	24.10%	25.40%	23.30%
Accumulated depreciation and amortization, property, plant, and equipment	$ 4,100,000		$ 4,100,000		$ 2,800,000
Deposit contracts, assets	3,800,000		3,800,000		3,600,000
Impairment losses	0	$ 0	7,239,514	$ 0
Goodwill	31,350,224		$ 31,350,224		$ 25,194,639
Number of reportable segments | segment			3
Revenue, remaining performance obligation, amount	0		$ 0
Contract with customer, performance obligation satisfied in previous period			0
Capitalized contract cost, gross	0		0
Capitalized contract cost, impairment loss			0
Operating loss carryforwards	6,800,000		6,800,000
Goodwill, expected tax deductible amount	$ 25,200,000		25,200,000
Impairment of long-lived assets held-for-use			$ 0	$ 0
Minimum
Summary Of Significant Accounting Policies [Line Items]
Renewal term	3 years		3 years
Useful life			3 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Renewal term	10 years		10 years
Useful life			10 years
Client partner lists
Summary Of Significant Accounting Policies [Line Items]
Impairment of intangible assets, finite-lived			$ 3,500,000

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