CREDIT FACILITY AND DEBT COVENANTS, LONG-TERM DEBT, AND FINANCING LEASE OBLIGATIONS (Details) - USD ($)	12 Months Ended
Jan. 03, 2016	Dec. 28, 2014
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,000,000
Long-term Debt, Weighted Average Interest Rate	2.66%	2.72%
Letters Of Credit Maximum	$ 2,000,000
Line of Credit	0	$ 5,000,000
Term Loan Balloon Payment	6,750,000
Long-term Debt, Current Maturities	1,800,000	680,000
Long-term debt, less current portion	10,200,000	3,343,000
Sale Leaseback Transaction, Historical Cost	4,500,000
Periodic Payment Increase Percentage	0.0404
Financing Lease Obligations Total	3,150,000	3,501,000
Financing Lease Obligations, Current	393,000	351,000
Financing lease obligations, less current portion	2,757,000	3,150,000
Future Payments Schedule [Abstract]
Long-term Debt, Maturities, Repayments of Principal in 2014	1,800,000
Long-term Debt, Maturities, Repayments of Principal in 2015	1,800,000
Long-term Debt, Maturities, Repayments of Principal in 2016	8,400,000
Long-term Debt, Total	12,000,000	4,023,000
Financing Lease Obligations, Future Minimum Payments Due in 2014	679,000
Financing Lease Obligations, Future Minimum Payments Due in 2015	700,000
Financing Lease Obligations, Future Minimum Payments Due in 2016	707,000
Financing Lease Obligations, Future Minimum Payments Due in 2017	1,838,000
Financing Lease Obligations, Future Minimum Payments Due, Total	$ 3,924,000
Federal Funds [Member]
Future Payments Schedule [Abstract]
Long Term Debt Percentage Bearing Fixed Interest Rate	0.00%
Wells Fargo Prime [Member]
Future Payments Schedule [Abstract]
Long Term Debt Percentage Bearing Fixed Interest Rate	0.00%
Base Rate Loans [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Eurodollar Rate Loans [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.25%
Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.375%
Maximum [Member] \| Base Rate Loans [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Maximum [Member] \| Eurodollar Rate Loans [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Minimum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.50%
Minimum [Member] \| Base Rate Loans [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.75%
Minimum [Member] \| Eurodollar Rate Loans [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.25%
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	20 years
Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 3,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.375%
Line of Credit Facility, Covenant Terms	The Facility contains customary affirmative and negative covenants for credit facilities of this type, including limitations on the Borrower with respect to indebtedness, liens, investments, distributions, mergers and acquisitions, dispositions of assets and transactions with affiliates of the Borrower, among others. The Facility also includes various financial covenants that include maximum target capital expenditures, cash flow ratios, minimum EBITDA ratios and adjusted leverage ratios.
Letters Of Credit Maximum	$ 2,000,000
Letters of Credit Outstanding, Amount	1,100,000
Line of Credit, Current	0	0
Line of Credit	0	5,000,000
Future Payments Schedule [Abstract]
Long-term Debt, Maturities, Repayments of Principal in 2014	0
Long-term Debt, Maturities, Repayments of Principal in 2015	0
Long-term Debt, Total	$ 0	$ 5,000,000
Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.00%
Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.00%
Long Term Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate	2.77%	2.12%
Debt Instrument, Periodic Payment, Principal		$ 57,000
Term Loan Balloon Payment		3,003,000
Long-term Debt, Current Maturities	$ (1,800,000)	(680,000)
Future Payments Schedule [Abstract]
Long-term Debt, Maturities, Repayments of Principal in 2014	1,800,000
Long-term Debt, Maturities, Repayments of Principal in 2015	$ 8,400,000
Financing Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt, Description	Principal amounts outstanding under the Term Loan bear interest at the same rate as the Facility. The weighted average interest rate of the Term Loan for fiscal years ended January 3, 2016 and December 28, 2014 was 2.77% and 2.12%, respectively. The Company is required to
Debt Instrument, Periodic Payment, Principal	$ 5
Financing Lease Obligation Terms	On March 31, 1999, the Company completed a $4.5 million financing obligation involving three existing restaurants as part of a sale/leaseback transaction. Under this financing, we are obligated to make monthly payments of $56,627 (which increases 4.04% every two years) for a minimum of 20 years. At the end of the 20 year lease term, we may extend the lease for up to two additional five year terms. We also have the option to purchase the leased restaurants on the 20th anniversary of the lease term and between the first and second five year option terms. The option purchase price is the greater of $4.5 million or the fair market value, as defined in the agreement, of the properties at the time the purchase option is exercised. Based upon our continued involvement in the leased property and its purchase option, the transaction has been accounted for as a financing arrangement. Accordingly, the three existing restaurants are included in property, equipment and leasehold improvements, and are being depreciated over a 20 year term. In addition, as the monthly lease payments are made, the obligation will be reduced by the 20 year amortization table.
Sale Leaseback Transaction, Historical Cost	$ 4,500,000
Financing Lease Obligations Total	3,150,000	3,501,000
Financing Lease Obligations, Current	(393,000)	(351,000)
Financing lease obligations, less current portion	2,757,000	$ 3,150,000
Future Payments Schedule [Abstract]
Long-term Debt, Maturities, Repayments of Principal in 2015	679,000
Long-term Debt, Maturities, Repayments of Principal in 2016	700,000
Long-term Debt, Maturities, Repayments of Principal in 2017	707,000
Long-term Debt, Maturities, Repayments of Principal in 2018	1,838,000
Financing Lease Obligations, Future Minimum Payments Due, Total	3,924,000
Financing Lease Obligations [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal	59,000
Financing Lease Obligations [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal	$ 54,000

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Maximum amount of letters of credit under our credit facility.

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The precentage increase in monthly payments.

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Balloon payment due at end of long term debt agreement.

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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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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payments applied to principal.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Description of long-term debt arrangements, which are debt arrangements that originally require full repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer, and disclosures pertaining to the underlying arrangements, including repayment terms, conversion features, interest rates, restrictions on assets and activities, debt covenants, and other matters important to users of the financial statements. Types of long-term debt arrangements include borrowing under notes payable, bonds payable, debentures, term loans, and other contractual obligations for payment.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Weighted average interest rate of long-term debt outstanding.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Definition

The historical cost of the asset(s) sold in connection with the sale of the property to another party and the lease of the property back to the seller.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 52
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51843-112757

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 50
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51831-112757

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 51
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51840-112757

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- Definition

A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6456341&loc=d3e50796-112755

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694

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- Definition

Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

+ References

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