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SHARE-BASED COMPENSATION (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options converted				38,614
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 200,000	$ 200,000	$ 400,000	$ 600,000
Unamortized stock compensation expense	1,000,000.0		$ 1,000,000.0
Unamortized stock compensation expense, recognition period			2 years 8 months 12 days
Shares issued in period				16,694
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	100,000	100,000	$ 200,000	$ 200,000
Unamortized stock compensation expense	300,000		$ 300,000
Unamortized stock compensation expense, recognition period			1 year 9 months 18 days
Warrant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 0	$ 0
Shares issued in period				423
Options converted				1,020
Non-option equity instruments, nonvested, number of shares	0		0		0

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Number of share options (or share units) exercised during the current period.

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