TEAM MEMBER BENEFIT PLAN (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, cost recognized	$ 0.4	$ 0.4	$ 0.8	$ 0.7
First 3% Employee Compensation
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, employer matching contribution, percent of match			100.00%
Defined contribution plan, employer matching contribution, percent of employees' gross pay			3.00%
Next 2% Employee Compensation
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, employer matching contribution, percent of match			50.00%
Defined contribution plan, employer matching contribution, percent of employees' gross pay			2.00%