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Income Tax (Tables)
6 Months Ended
Jun. 30, 2011
Income Tax Abstract  
Unrecognized Tax Benefits Reconciliation Table Text Block
 Total Unrecognized Tax Benefits  
  2011  2010      
Balance, beginning of year$ 182,354 $ 221,040      
Additions for tax positions of prior years  9,684   --      
Reductions for tax positions of prior years  --   (42,628)      
Additions for tax positions of current year  1,969   1,973      
Balance, end of period$ 194,007 $ 180,385