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INCOME TAXES - Schedule of Rate Reconciliation Between Income Tax Provisions and Effective Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2017
Jan. 03, 2016
Dec. 28, 2014
Income Tax Disclosure [Abstract]      
Income tax (benefit) at statutory rate $ (6,489) $ (5,962) $ (4,423)
State taxes (3) 2 0
Stock compensation and other permanent differences 211 286 6
Foreign taxes (19) 41 22
Benefit allocated from other comprehensive income (loss) 0 0 0
Future benefit of deferred tax assets not recognized 6,365 5,779 4,463
Provision for income taxes $ 65 $ 146 $ 68