SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Property Plant And Equipment Estimated Useful Lives [Table Text Block]

Depreciation is calculated by the straight-line method over the estimated useful lives of the assets, at the following annual rates:

Computers and peripheral equipment	33%
Office furniture and equipment	6% – 20% (mainly 15%)
Leasehold improvements	Over the shorter of the term of the lease or the useful life of the asset

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The components of AOCI were as follows:

	Unrealized gains (losses) on available- for-sale marketable securities			Unrealized gains (losses) on cash flow hedges			Total
Balance as of January 1, 2018	$	(44	)	$	-		$	(44	)
Other comprehensive income (loss) before reclassifications		12			(489	)		(477	)
Amounts reclassified from AOCI		-			245			245
Other comprehensive income (loss)		12			(244	)		(232	)
Balance as of December 31, 2018	$	(32	)	$	(244	)	$	(276	)

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

Fair values were estimated using the following weighted-average assumptions (annualized percentages):

	Year Ended December 31,
	2016	2017	2018
Dividend yield	0%	0%	0%-2.66%
Expected volatility	47.64%-52.95%	41.78%-47.25%	37.74%-41.72%
Risk-free interest	1.11%-1.86%	1.81%-2.14%	2.40%-3.06%
Expected life	4.76-5.30 years	4.77-5.28 years	4.78-5.27 years

Schedule Of Equity Based Compensation Expenses [Table Text Block]

The total share-based compensation expenses relating to all of the Company's share-based awards recognized for the years ended December 31, 2016, 2017 and 2018 were included in items of the consolidated statements of operations, as follows:

	Year Ended December 31,
	2016		2017		2018
Cost of revenues	$	118	$	84	$	186
Research and development expenses, net		459		383		651
Selling and marketing expenses		1,101		1,024		1,238
General and administrative expenses		736		816		1,212
Total share-based compensation expenses	$	2,414	$	2,307	$	3,287