Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues		$ 117,613	$ 117,438	$ 124,753
Costs of revenues (1)	[1]	58,066	59,991	67,058
Gross profit		59,547	57,447	57,695
Operating expenses:
Research and development	[2]	35,552	36,109	36,655
Sales and marketing	[3]	17,665	15,323	14,315
General and administrative	[4]	10,317	9,955	9,789
Amortization of intangible assets		417	1,700	1,700
Total operating expenses		63,951	63,087	62,459
Operating loss		(4,404)	(5,640)	(4,764)
Financial income, net (Note 12)		1,654	1,815	1,669
Loss before income tax benefit		(2,750)	(3,825)	(3,095)
Income tax benefit (Note 15)		1,560	1,868	92
Net loss		$ (1,190)	$ (1,957)	$ (3,003)
Net loss per share:
Basic and diluted (in dollars per share)		$ (0.05)	$ (0.09)	$ (0.14)
Weighted average number of shares used in per share computations of:
Basic and diluted net loss per share (in shares)		22,827	22,512	22,229

[1] Includes equity-based compensation expense in the amount of $448, $428 and $352 for the years ended December 31, 2019, 2018 and 2017, respectively.

[2] Includes equity-based compensation expense in the amount of $2,842, $2,873 and $2,349 for the years ended December 31, 2019, 2018 and 2017, respectively.

[3] Includes equity-based compensation expense in the amount of $1,758, $1,248 and $1,115 for the years ended December 31, 2019, 2018 and 2017, respectively.

[4] Includes equity-based compensation expense in the amount of $2,583, $2,255 and $2,045 for the years ended December 31, 2019, 2018 and 2017, respectively.