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SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) Segment	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Concentration Risk [Line Items]
Net sales to all dealers	$ 267,316	$ 241,330	$ 207,061
Net Sales | International Dealer
Concentration Risk [Line Items]
Number of reportable segment | Segment	1
Net sales to all dealers	$ 17,000	$ 21,000	$ 22,000
Net Sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, customer	No single dealer accounted for more than 10 percent of net sales	No single dealer accounted for more than 10 percent of net sales	No single dealer accounted for more than 10 percent of net sales
Concentration risk, benchmark description	more than 10 percent	more than 10 percent	more than 10 percent

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- Definition

Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
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Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures).

+ References

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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