OTHER RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Related Party Transaction [Line Items]
Compensation Expense Recognized			$ 534	$ 621
Board and Committee Members [Member]
Related Party Transaction [Line Items]
Cash Compensation	$ 57	$ 57	$ 169	$ 168
Shares Issued	11,200	5,600	16,800	16,800
Value of Shares Issued	$ 8	$ 8	$ 12	$ 28
Compensation Expense Recognized	10	25	34	72
Board and Committee Members [Member] | Dimitri Villard [Member]
Related Party Transaction [Line Items]
Cash Compensation	$ 19	$ 19	$ 56	$ 56
Shares Issued	2,800	1,400	4,200	4,200
Value of Shares Issued	$ 2	$ 2	$ 3	$ 7
Compensation Expense Recognized	3	8	10	23
Board and Committee Members [Member] | Jeff Grout [Member]
Related Party Transaction [Line Items]
Cash Compensation	$ 19	$ 19	$ 56	$ 56
Shares Issued	2,800	1,400	4,200	4,200
Value of Shares Issued	$ 2	$ 2	$ 3	$ 7
Compensation Expense Recognized	3	8	10	23
Board and Committee Members [Member] | Nick Florio [Member]
Related Party Transaction [Line Items]
Cash Compensation	$ 19	$ 19	$ 56	$ 56
Shares Issued	2,800	1,400	4,200	4,200
Value of Shares Issued	$ 2	$ 2	$ 3	$ 7
Compensation Expense Recognized	$ 3	$ 8	$ 10	$ 23
Board and Committee Members [Member] | Alicia Barker [Member]
Related Party Transaction [Line Items]
Shares Issued	2,800	1,400	4,200	4,200
Value of Shares Issued	$ 2	$ 2	$ 3	$ 7
Compensation Expense Recognized	$ 1	$ 1	$ 4	$ 3