LETTERS OF CREDIT (Details Textual) - USD ($)	Dec. 30, 2017	Dec. 31, 2016
Letter Of Credit [Abstract]
Collateral amount, net	$ 103,000	$ 103,000
Letters of credit outstanding amount	$ 0	$ 0

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant