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Income Taxes - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Examination [Line Items]      
Income tax benefit for non-cash adjustment to deferred tax liability   $ 2,300,000  
Reduction in valuation allowance 1,900,000    
Gross liability for tax positions 351,000 301,000 134,000
Income tax examination net of federal benefit, accrued interest 71,000 39,000  
Reduction in income tax liability if tax positions sustained 299,000    
Gross liability for tax positions 143,000    
Income tax examination years description The Company is no longer subject to U.S. Federal income tax examinations for the years prior to 2011.    
Translation Adjustment to Deferred Tax Asset
      
Income Tax Examination [Line Items]      
Reduction in valuation allowance 1,100,000    
State Tax Authority
      
Income Tax Examination [Line Items]      
Net operating loss carryforward 14,300,000    
Net operating loss carryforward expiration 2014    
State Tax Authority | Minimum
      
Income Tax Examination [Line Items]      
Income tax examination year 2009    
State Tax Authority | Maximum
      
Income Tax Examination [Line Items]      
Income tax examination year 2012    
Foreign Tax Authority
      
Income Tax Examination [Line Items]      
Net operating loss carryforward $ 4,500,000    
Net operating loss carryforward expiration 2016