OBLIGATIONS - Summary of Capital Lease Liabilities (Details) - USD ($)	Dec. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Capital lease outstanding	$ 424,000	$ 654,000
Less: current portion	316,000	299,000
Capital lease classified as noncurrent liability	108,000	355,000
Software \| Capital lease obligation, leased July 2018
Debt Instrument [Line Items]
Capital lease outstanding	115,000
Software \| Capital lease obligation, leased December 2017, one
Debt Instrument [Line Items]
Capital lease outstanding	49,000	146,000
Software \| Capital lease obligation, leased December 2017, two
Debt Instrument [Line Items]
Capital lease outstanding	131,000	256,000
Software \| Capital lease obligation, leased May 2017
Debt Instrument [Line Items]
Capital lease outstanding	87,000	170,000
Software \| Capital lease obligation, leased February 2017
Debt Instrument [Line Items]
Capital lease outstanding	$ 42,000	$ 82,000

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45023-112735

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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