Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Income Tax Contingency [Line Items]
Deferred tax liability recorded	$ 0
Unrecognized tax benefits	175
Expiration period of unrecognized tax benefits due to lapse in statue of limitations	Within the next 12 months
Expiring in the Next Twelve Months [Member]
Income Tax Contingency [Line Items]
Unrecognized tax benefits	52
State [Member]
Income Tax Contingency [Line Items]
Net operating loss carryforwards	20,949
Operating loss carry forwards expiration period	2018
Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Net operating loss carryforwards	1,531
Capital loss carryforwards	$ 1,003
Capital loss carry forwards expiration period	Begin to expire in 2017
Operating loss carry forwards expiration period	2014