Income Taxes - Schedule of Income Tax Provisions (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 261	$ 476	$ 3,208	$ 2,180
Provision for income taxes	$ (92)	$ (10)	$ (1,175)	$ (27)
Effective tax rate	35.20%	2.10%	36.60%	1.20%