Income Taxes - Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal		$ (137)
State	1	1	1
Foreign	1,838	1,029	921
Total Current	1,839	893	922
Deferred:
Federal	422	(422)
State	49	(49)
Foreign	(65)	(16)	96
Total Deferred	406	(487)	96
Provision for income taxes	$ 2,245	$ 406	$ 1,018