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Accumulated Other Comprehensive (Loss) Income
12 Months Ended
Dec. 31, 2011
Notes to Financial Statements  
Accumulated Other Comprehensive (Loss) Income

13. Accumulated Other Comprehensive (loss) income  
The components of accumulated other comprehensive (loss) income follow:  
    Foreign currency translation adjustment     Net prior service credit and actuarial losses     Total  
Balances, December 31, 2009   $ 321,201     $ (1,134,170 )   $ (812,970 )
Change in net prior service credit                        
and actuarial losses, net of                        
income tax expense of $35,053,             (21,950 )     (21,950 )
Translation adjustment     (40,237 )             (40,237 )
Balances, December 31, 2010     280,964       (1,156,120 )     (875,157 )
Change in net prior service credit                        
   and actuarial losses, net of                        
income tax expense of $25,094,             66,691       66,691  
Translation adjustment     (229,853 )             (229,853 )
Balances, December 31, 2011   $ 51,111     $ (1,089,429 )   $ (1,038,319 )