Commitments And Contingencies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitment And Contingencies [Line Items]
Rent expenses	$ 839	$ 821	$ 884
Chief Scientist of State of Israel
Commitment And Contingencies [Line Items]
Maximum royalty payment as percentage of grants received	100.00%
Amount of royalties paid	147	12	0
Aggregate contingent royalty liability (including interest)	$ 8,575
Chief Scientist of State of Israel | Minimum
Commitment And Contingencies [Line Items]
Percentage of royalties payment to sales of products and other related revenues	3.00%
Chief Scientist of State of Israel | Maximum
Commitment And Contingencies [Line Items]
Percentage of royalties payment to sales of products and other related revenues	3.50%