Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended					6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Mar. 31, 2011	Jun. 30, 2012		Jun. 30, 2011
Condensed Consolidated Statements of Income [Abstract]
Revenues	$ 44,191		$ 58,517			$ 87,695		$ 107,293
Cost of revenues	27,680	[1]	36,767	[1]		55,206	[1]	68,315	[1]
Gross profit	16,511		21,750			32,489		38,978
Operating expenses:
Research and development	11,421	[2]	14,210	[2]		23,397	[2]	28,400	[2]
Sales and marketing	3,761	[3]	4,159	[3]		7,795	[3]	8,178	[3]
General and administrative	2,803	[4]	3,600	[4]		5,831	[4]	6,670	[4]
Intangible assets amortization	593		2,198			1,186		4,394
Restructuring expenses (income)	693					693		(590)
Total operating expenses	19,271		24,167			38,902		47,052
Operating loss	(2,760)		(2,417)			(6,413)		(8,074)
Interest and other income, net	587		411			1,067		880
Loss before taxes on income	(2,173)		(2,006)			(5,346)		(7,194)
Taxes on income (income tax benefit)	51		35			140		(589)
Net loss	(2,224)		(2,041)			(5,486)		(6,605)
Net loss per share:
Basic and Diluted	$ (0.10)				$ (0.09)	$ (0.25)		$ (0.28)
Weighted average number of shares used in per share computations of net loss:
Basic	21,751		23,381			22,151		23,410
Diluted	21,751		23,381			22,151		23,410
Comprehensive loss	$ (2,794)		$ (1,233)			$ (4,376)		$ (5,895)

[1] Includes equity-based compensation expense in the amount of $95 and $102 for the three months ended June 30, 2012 and 2011, respectively; and $205 and $234 for the six months ended June 30, 2012 and 2011, respectively.

[2] Includes equity-based compensation expense in the amount of $686 and $724 for the three months ended June 30, 2012 and 2011, respectively; and $1,457 and $1,606 for the six months ended June 30, 2012 and 2011, respectively.

[3] Includes equity-based compensation expense in the amount of $217 and $257 for the three months ended June 30, 2012 and 2011, respectively; and $468 and $563 for the six months ended June 30, 2012 and 2011, respectively.

[4] Includes equity-based compensation expense in the amount of $460 and $790 for the three months ended June 30, 2012 and 2011, respectively; and $814 and $1,309 for the six months ended June 30, 2012 and 2011, respectively.