Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues		$ 117,438	$ 124,753	$ 137,869
Costs of revenues (1)	[1]	59,991	67,058	77,023
Gross profit		57,447	57,695	60,846
Operating expenses:
Research and development	[2]	36,109	36,655	34,885
Sales and marketing	[3]	15,323	14,315	13,867
General and administrative	[4]	9,955	9,789	9,006
Amortization of Intangible Assets, Total		1,700	1,700	1,457
Other income (Note 10)				(2,549)
Total operating expenses		63,087	62,459	56,666
Operating income (loss)		(5,640)	(4,764)	4,180
Financial income, net (Note 11)		1,815	1,669	1,227
Income (loss) before income tax benefit (expense)		(3,825)	(3,095)	5,407
Income tax benefit (expense)		1,868	92	(594)
Net income (loss)		$ (1,957)	$ (3,003)	$ 4,813
Net earnings (loss) per share:
Basic (in dollars per share)		$ (0.09)	$ (0.14)	$ 0.22
Diluted (in dollars per share)		$ (0.09)	$ (0.14)	$ 0.21
Weighted average number of shares used in per share computations of:
Basic net earnings (loss) per share (in shares)		22,512	22,229	21,800
Diluted net earnings (loss) per share (in shares)		22,512	22,229	22,887

[1] Includes equity-based compensation expense in the amount of $428, $352 and $328 for the years ended December 31, 2018, 2017 and 2016, respectively.

[2] Includes equity-based compensation expense in the amount of $2,873, $2,349 and $2,205 for the years ended December 31, 2018, 2017 and 2016, respectively.

[3] Includes equity-based compensation expense in the amount of $1,248, $1,115 and $806 for the years ended December 31, 2018, 2017 and 2016, respectively.

[4] Includes equity-based compensation expense in the amount of $2,255, $2,045 and $1,749 for the years ended December 31, 2018, 2017 and 2016, respectively.