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Note 4 - Investment In Global (Tables)
12 Months Ended
Dec. 31, 2012
Available-for-sale Securities [Table Text Block]
   
December 31, 2012
   
December 31, 2011
 
             
Shares of Global Stock held by HKN
    12,356,768       12,126,768  
                 
Closing Price of Global Stock
  £ 1.18     £ 1.06  
                 
Foreign Currency Exchange Rate
    1.6259       1.5490  
                 
Market Value of Investment in Global
  $ 23,607     $ 19,913