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COMMITMENTS AND CONTINGENCIES (Detail Textuals 1)	12 Months Ended
	Dec. 31, 2017 USD ($) Employee	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Commitments And Contingencies [Line Items]
Selling, general and administrative expenses	$ 29,261,000	$ 27,415,000	$ 23,249,000
Total rent expense charged to operations	353,000	352,000	135,000
Long-term deferred tax liabilities	$ 191,000	43,000
Employment agreement
Commitments And Contingencies [Line Items]
Number of employees | Employee	1
Monthly payment in percentage of profits	10.00%
Selling, general and administrative expenses	$ 4,068,000	$ 4,202,000	$ 6,411,000

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This element represents the number of the employees entered into the agreement.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84176650&loc=d3e31931-109318

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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