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RECEIVABLES (Details)	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2014 USD ($) note
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Note Receivables | note			2
Accounts receivable, net, current	$ 364,000	$ 1,253,000
Notes receivable	0	850,000
Accounts receivable, net, noncurrent	$ 1,146,000	903,000
Financing receivable, principal amount			$ 1,050,000.00
Annual interest rate	3.00%
Financing receivable, reserve against collectability	$ 220,000	220,000
Trade receivables - other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net, current	364,000	403,000
Notes receivable and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net, noncurrent	$ 1,146,000	$ 903,000

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Notes Receivable, Current

+ References

No definition available.

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Number of Note Receivables

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Receivable with Stated Interest, Interest Rate

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ 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(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
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Amount due from customers or clients, more than one year from the balance sheet date, for goods or services that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: 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(5))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Name Accounting Standards Codification
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A valuation allowance for financing receivables that are expected to be uncollectible.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
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Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
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