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INFORMATION CONCERNING PRODUCT LINES, GEOGRAPHIC INFORMATION, ACCOUNTS RECEIVABLE AND REVENUE CONCENTRATION - Schedule of Revenue by Product Family (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2017
Jan. 03, 2016
Dec. 28, 2014
Revenue from External Customer [Line Items]      
Total revenue $ 11,421 $ 18,956 $ 27,845
New products      
Revenue from External Customer [Line Items]      
Total revenue 5,622 12,020 19,311
Mature products      
Revenue from External Customer [Line Items]      
Total revenue $ 5,799 $ 6,936 $ 8,534