LONG-TERM DEBT AND FINANCING LEASE OBLIGATIONS (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 02, 2017	Jan. 01, 2017
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	$ 921	$ 917
Long-term debt, less current portion	8,608	8,849
Financing lease obligations, less current portion	1,469	2,280
Deferred Finance Costs Net	$ 245	$ 234
Long-term Debt, Weighted Average Interest Rate	4.10%	4.00%
Spirit Financing Lease [Member]
Debt Instrument [Line Items]
Financing Lease Obligations Total	$ 2,652	$ 2,757
Financing Lease Obligations, Current	1,163	454
Financing lease obligations, less current portion	1,469	2,280
Deferred Finance Costs Net	$ 20	$ 23
Long-term Debt, Weighted Average Interest Rate	9.63%	9.63%
Maximum [Member] \| Spirit Financing Lease [Member]
Debt Instrument [Line Items]
Minimum monthly debt payment	$ 59
Minimum [Member] \| Spirit Financing Lease [Member]
Debt Instrument [Line Items]
Minimum monthly debt payment	54
Second Loan Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument Carrying Amount	6,104	$ 6,300
First Loan Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument Carrying Amount	$ 3,670	$ 3,700

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.

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