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Oil and Natural Gas Properties (Tables)
3 Months Ended
Mar. 31, 2019
Extractive Industries [Abstract]  
Schedule of Oil and Natural Gas Properties

    Unproven properties     Proven properties        
    Bulgaria     Turkey     Total  
January 1, 2018   $ 3,083,831     $ 2,639,563     $ 5,723,394  
Foreign currency translation change     (3,697 )     -       (3,697 )
Expenditures     37,095       467,015       504,110  
Depletion     -       (700,219 )     (700,219 )
Asset retirement cost addition     -       1,127,344       1,127,344  
December 31, 2018   $ 3,117,229     $ 3,533,703     $ 6,650,932  
Foreign currency translation change     (1,311 )     -       (1,311 )
Expenditures     -       31,048       31,048  
Depletion     -       (151,400 )     (151,400 )
March 31, 2019   $ 3,115,918     $ 3,413,351     $ 6,529,269