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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals 4) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) Customer	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Concentration Risk [Line Items]
Term of product warranty	1 year
Product warranty expense	$ 2,618	$ 1,750	$ 3,076
Research and development costs	$ 1,943	$ 1,797	$ 1,595
Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Number of customer | Customer	1
Concentration Risk, Percentage	12.00%
Major customer, benchmark description	Only account with a balance greater than 10% of total accounts receivable	No accounts with a balance greater than 10% of total receivables

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

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