INFORMATION CONCERNING PRODUCT LINES, GEOGRAPHIC INFORMATION, ACCOUNTSRECEIVABLE AND REVENUE CONCENTRATION - Schedule of Revenue by Product Family (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Revenue from External Customer [Line Items]
Total revenue	$ 18,956	$ 27,845	$ 26,072
New products
Revenue from External Customer [Line Items]
Total revenue	12,020	19,311	18,219
Mature products
Revenue from External Customer [Line Items]
Total revenue	$ 6,936	$ 8,534	$ 7,853

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration