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DEBT (Long Term Debt) (Details) - USD ($) | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 01, 2017 | Sep. 30, 2017 | Dec. 31, 2017 | Oct. 01, 2016
Debt Instrument [Line Items] |  |  |  |
Less unamortized loan costs |  | $ (209,000) |  | $ (163,000)
Long-term Debt |  | 12,398,000 |  | 10,092,000
Current portion of long term debt |  | 1,076,000 |  | 1,466,000
Long-Term Debt, Net of Current Portion |  | 11,322,000 |  | 8,626,000
Financed Insurance Premiums [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 192,000 |  | 186,000
Interest rate |  | 2.95% |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 123,000 |  |
Maturity date |  | Oct. 30, 2017 |  |
Other [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 138,000 |  | 179,000
Mortgage payable to lender #1 [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 3,206,000 |  | 3,431,000
Variable interest rate, description |  | BBA Libor - 1 month + 2.25% interest rate |  |
Variable interest rate spread |  | 2.25% |  |
Interest rate at period end |  | 3.487% |  |
Term of debt |  | 20 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 23,700 |  |
Fixed-rate portion of debt |  | $ 2,672,000 |  |
Fixed portion of debt, interest rate |  | 4.51% |  |
Variable-rate portion of debt |  | $ 534,000 |  |
Variable-rate portion of debt, interest rate |  | 3.487% |  |
Maturity date |  | Nov. 30, 2019 |  |
Mortgage payable to unrelated third party #1 [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 1,715,000 |  | 1,772,000
Term of debt |  | 20 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 15,700 |  |
Balloon payment |  | $ 1,331,000 |  |
Fixed portion of debt, interest rate |  | 7.50% |  |
Maturity date |  | Dec. 31, 2022 |  |
Mortgage payable to lender #2 [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 1,176,000 |  | 1,229,000
Variable interest rate, description |  | BBA LIBOR -1 Month +2.25% interest rate |  |
Variable interest rate spread |  | 2.25% |  |
Interest rate at period end |  | 3.485% |  |
Term of debt |  | 20 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 8,775 |  |
Balloon payment |  | $ 858,000 |  |
Fixed interest rate |  | 4.35% |  |
Maturity date |  | Jan. 22, 2023 |  |
Revolving credit line/term loan payable to lender [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 2,000,000 |  |
Line of credit maximum borrowing capacity |  |  |  | 5,500,000
Variable interest rate, description |  | LIBOR – Daily Floating Rate + 2.25% interest rate |  |
Variable interest rate spread |  | 2.25% |  |
Interest rate at period end |  | 3.4844% |  |
Term of debt |  | 5 years |  |
Fixed interest rate |  | 4.61% |  |
Fixed-rate portion of debt |  | $ 5,500,000 |  |
Maturity date |  | Dec. 28, 2022 |  |
Revolving credit line/term loan payable to lender [Member] | Mortgages [Member] | Subsequent Event [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit maximum borrowing capacity |  |  | $ 3,500,000 |
Mortgage payable to lender #3 [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 794,000 |  |
Term of debt |  | 15 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 6,384 |  |
Fixed interest rate |  | 4.65% |  |
Maturity date |  | Dec. 28, 2031 |  |
Mortgage payable to related third party #1 [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 603,000 |  | 640,000
Interest rate |  | 5.00% |  |
Term of debt |  | 15 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 5,700 |  |
Balloon payment |  | $ 457,000 |  |
Maturity date |  | Mar. 31, 2021 |  |
Re-financed mortgage [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt | $ 935,000 | $ 811,000 |  | 750,000
Loan payable |  | $ 840,000 |  |
Prepayment penalty | $ 8,500 |  |  |
Variable interest rate, description | LIBOR, Daily Floating Rate, plus 2.25% |  |  |
Variable interest rate spread | 2.25% |  |  |
Term of debt | 7 years | 15 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 6,519 |  |
Fixed interest rate | 5.11% | 4.65% |  |
Maturity date |  | Dec. 28, 2031 |  |
Mortgage payable to related third party #2 [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 520,000 |  | 552,000
Interest rate |  | 5.00% |  |
Term of debt |  | 15 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 4,900 |  |
Balloon payment |  | $ 391,000 |  |
Maturity date |  | May 31, 2021 |  |
Mortgage payable to related third party #3 [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 630,000 |  | 669,000
Interest rate |  | 5.00% |  |
Term of debt |  | 15 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 6,000 |  |
Balloon payment |  | $ 476,000 |  |
Maturity date |  | Apr. 30, 2021 |  |
Mortgage payable to unrelated third party #2 [Member] | Mortgages [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term Debt |  | $ 822,000 |  | $ 847,000
Interest rate |  | 7.50% |  |
Term of debt |  | 20 years |  |
Payment frequency |  | Monthly |  |
Monthly payment |  | $ 7,300 |  |
Maturity date |  | Mar. 31, 2034 |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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