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Note 8 - Costs Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Oil and Gas In Process Activities [Table Text Block]
   
Year Ended December 31,
 
   
2016
   
2015
 
Acquisition of Properties:
               
Unproved
  $
715,520
    $
360,685
 
Proved
   
---
     
108,384
 
Exploration Costs
   
856,075
     
846,879
 
Development Costs
   
254,351
     
620,893
 
Asset Retirement Obligation
   
18,321
     
49,275