SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2017

Schedule Of Annual Depreciation Rates [Table Text Block]

Property and equipment are stated at cost, net of accumulated depreciation. Depreciation is calculated by the straight-line method over the estimated useful lives of the assets at the following annual rates:

		%

Installed products		20-33
Computers and electronic equipment		10 - 33 (mainly 33)
Office furniture and equipment		6 - 15
Motor vehicles		15 - 20 (mainly 20)
Network installation		10 - 33
Buildings		6.67
Leasehold improvements		Over the term of the lease, including the option term or the useful lives of the assets, whichever is shorter

Schedule of Product Warranty Liability [Table Text Block]

payable and accrued expenses and other long term liabilities' captions in the Balance Sheet) during 2017 and 2016 are as follows:

	Year ended December 31,
	2017			2016

Balance, beginning of the year		604			544
Warranties issued during the year		468			422
Settlements made during the year		(145	)		(182	)
Expirations		(360	)		(180	)

Balance end of year		567			604

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of the Company's stock options granted to employees and directors for the years ended December 31, 2017, 2016 and 2015 was estimated using the Black-Scholes-Merton option-pricing model, with the following weighted average assumptions:

	Year ended December 31,
	2017	2016	2015

Risk free interest rate	0.86%-1.39%	0.8%-1.00%	1.29%-1.62%
Dividend yield	0%	0%	0%
Expected volatility	52.25%-57.73%	55.81%-60.84%	51.47%-49.78%
Expected term (in years)	4.00-5.50	4.00-5.50	4.00-5.50
Forfeiture rate	-	2%	2%

Allowance for Credit Losses on Financing Receivables [Table Text Block]

Changes in the allowance for doubtful accounts during 2017 and 2016 are as follows:

	Year ended December 31,
	2017			2016

Balance at beginning of the year		1,281			1,053

Deductions during the year		(992	)		(339	)
Charged to expenses		802			511
Foreign currency translation adjustment		36			56

Balance at end of year		1,127			1,281