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Note 6 - Income (loss) per Common Share (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Earnings Per Share Reconciliation [Table Text Block]
   
Three Months
Ended September 30,
   
Nine Months
Ended September 30,
 
   
2011
   
2012
   
2011
   
2012
 
                         
Common shares outstanding
    13,221,404       13,221,404       13,221,404       13,221,404  
                                 
Net income (loss) available to common stockholders
  $ 885,462     $ 316,306     $ 2,173,390     $ (126,876,069 )
                                 
Net income (loss) per common share
  $ 0.07     $ 0.02     $ 0.16     $ (9.60 )