XML 23 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]      
Valuation allowance of federal and state tax benefits not expected to be utilized $ 1,763,000 $ 1,773,000  
Unrecognized tax benefits 0 0  
Reduction in state tax benefit 284,000 498,000 502,000
Capital loss carry forwards 2,500,000    
Expiry of capital loss carry forwards 2015    
State tax loss carry forwards $ 1,100,000    
State tax loss carry forwards expiry year 2024