Long-Lived Assets by Geographic Region (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 1,616	$ 1,392	$ 1,235
Israel
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	1,532	1,283	1,157
Other
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 84	$ 109	$ 78