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Note 10 - Related Party Transactions (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Apr. 17, 2017
Aug. 31, 2018
Mar. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Surface Leases, Related Parties [Member]          
Operating Lease, Lease Income, Total       $ 38,333 $ 38,333
Stream Wetlands Services [Member] | Exclusive Right to Evaluate and Market Lands For Beneficial Purposes to Compensate for Impact [Member]          
Related Party Transaction, Amounts of Transaction $ 38,333   $ 38,333    
Stockwell [Member] | Rent Expenses for Office Space and Associated Services [Member]          
Operating Lease Monthly Rent   $ 750      
Stockwell [Member] | Administrative Assistant and Miscellaneous Offices Supplies, Monthly Expense [Member]          
Operating Lease Monthly Rent   $ 2,000      
Related Party Transaction, Expenses from Transactions with Related Party       22,407 33,914
Related Party Rent Expense       $ 6,000 $ 9,000