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FAIR VALUE MEASUREMENTS (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 29, 2019	Sep. 29, 2019	Sep. 30, 2018	Dec. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration paid		$ 2,672,000	$ 327,996
Interest expense on earn out payable		110,903	$ 515,932
Fair Value, Inputs, Level 3 | Contingent Consideration | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	$ 0	$ 0		$ 2,363,512
Covenants not to compete
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite-lived intangible assets, gross	$ 200,000

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