Income Taxes - Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Current taxes:
Federal current taxes
State and local current taxes	(14)	27
Foreign current taxes	52	72
Total current taxes	38	99
Deferred taxes:
Federal deferred taxes	2,181	459
State and local deferred taxes
Foreign deferred taxes	(25)	(192)
Total deferred taxes	2,156	267
Total Income tax expense	$ 2,194	$ 366