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LONG-TERM DEBT, EXCLUDING CURRENT MATURITIES (Narrative) (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Capital leases			$ 688	$ 1,603
Current portions of long-term debt classified as trade payables			$ 301	$ 205
Creditor Bank One [Member]
Debt Instrument [Line Items]
Minimum shareholder's equity to be maintained under debt covenants	$ 4,500	$ 4,500
Ratio of shareholders' equity to total assets required to be maintained under debt covenants	17.00%	17.00%
Debt service ratio required to be maintained under debt covenants	1.5	1.5

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Current portions of long-term debt classified as trade payables.

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Ratio of shareholders' equity to total assets required to be maintained under debt covenants.

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Stockholders' equity, including portion attributable to noncontrolling interest, minimum equity to be maintained under debt covenants.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737

Reference 2: 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 3: 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(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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