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Note 10 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
   
2019
   
2018
 
Deferred tax assets
   
-
     
-
 
Deferred tax liabilities
   
(187,664
)    
(187,664
)
    $
(187,664
)   $
(187,664
)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   
2019
   
2018
 
Income tax on income before extraordinary item:
               
Tax at statutory rates
  $
61,481
    $
307,830
 
Tax effect of the following:
               
Statutory depletion
   
(15,763
)    
(18,175
)
Section 179 deduction
   
-
     
(1,149
)
State income tax
   
3,109
     
62,137
 
Other
   
(2,081
)    
-
 
Income tax on income
  $
46,746
    $
350,643
 
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   
2019
   
2018
 
Casualty loss
  $
(77,714
)   $
(77,714
)
Deferred gain
   
(109,950
)    
(109,950
)
    $
(187,664
)   $
(187,664
)