LOSS PER COMMON SHARE (Details) - shares	9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019
Earnings Per Share Diluted [Line Items]
Shares excluded in computation of earnings per common share	9,739,981	9,569,360
Convertible preferred shares [Member]
Earnings Per Share Diluted [Line Items]
Shares excluded in computation of earnings per common share	8,064,732	7,688,175
Warrants [Member]
Earnings Per Share Diluted [Line Items]
Shares excluded in computation of earnings per common share	1,015,934	925,935
Restricted shares - unvested [Member]
Earnings Per Share Diluted [Line Items]
Shares excluded in computation of earnings per common share	212,815	495,690
Long term incentive plan (2019 LTIP) [Member]
Earnings Per Share Diluted [Line Items]
Shares excluded in computation of earnings per common share	370,000	380,000
Options [Member]
Earnings Per Share Diluted [Line Items]
Shares excluded in computation of earnings per common share	76,500	79,560