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Income Taxes - Summary of Difference Between Effective Income Tax Rate Determined by Applying Statutory Income Tax Rate (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Summary of difference between effective income tax rate determined by applying statutory income tax rate    
(Provision for) benefit from U.S federal statutory rate $ (1,798) $ (1,032)
Effect of state income taxes (141) (49)
Non-deductible business meals and entertainment expenses (18) (95)
Foreign income taxes included in equity in earnings 551   
Adjustment of net operating loss carry forwards based on IRS audit, accrual to return adjustments and other (153)   
Change in valuation allowance 846 469
Total (Expense) $ (713) $ (707)