XML 83 R68.htm IDEA: XBRL DOCUMENT v3.5.0.2
Income Taxes - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Examination [Line Items]        
Corporate income tax rate 35.00% 35.00% 35.00%  
Gross liability for tax positions $ 157,000 $ 572,000 $ 351,000 $ 301,000
Income tax examination net of federal and state tax benefit, accrued interest 42,000 $ 40,000    
Reduction in income tax liability if tax positions sustained 149,000      
Change in unrecognized tax benefits reasonably possible $ 76,000      
Income tax examination years description The Company is no longer subject to U.S. Federal income tax examinations for the years prior to 2013.      
State Jurisdiction        
Income Tax Examination [Line Items]        
Net operating loss carryforward $ 13,400,000      
Net operating loss carryforward expiration 2016      
State Jurisdiction | Minimum        
Income Tax Examination [Line Items]        
Income tax examination year 2011      
State Jurisdiction | Maximum        
Income Tax Examination [Line Items]        
Income tax examination year 2014      
Foreign        
Income Tax Examination [Line Items]        
Net operating loss carryforward $ 7,500,000      
Net operating loss carryforward expiration 2020      
UNITED KINGDOM | Fiscal Year 2015        
Income Tax Examination [Line Items]        
Corporate income tax rate 20.00%      
UNITED KINGDOM | Fiscal Year 2020        
Income Tax Examination [Line Items]        
Corporate income tax rate 18.00%