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INCOME TAXES (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Income Taxes [Line Items]
Tax (provision) benefit	$ (201,000)	$ 0	$ (201,000)	$ 1,146,000
Current Foreign Tax Expense (Benefit)				100,000
Reduction in net deferred tax assets				$ (1,000,000)
Operating Loss Carryforwards	$ 174,000,000		$ 174,000,000
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent			16.50%

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Income Taxes [Line Items]

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Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

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