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Reconciliation of Segment Operating Results Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income (loss) from operations	$ 2,526	$ (457)
Unallocated corporate, general and administrative expenses	(601)	(1,117)
Equity-based compensation expenses	(1,043)	(1,486)
Intangible assets amortization expenses	(418)	(593)
Financial income, net	570	480
Income (loss) before taxes on income	$ 1,034	$ (3,173)

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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