Note 2 - Summary of Significant Accounting Policies - Disaggregated Revenue (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Revenue	$ 9,034,540	$ 3,995,074
Oil and Condensate [Member]
Revenue	5,905,936	2,585,896
Natural Gas, Production [Member]
Revenue	2,628,472	1,283,011
Miscellaneous Oil and Gas Sales [Member]
Revenue	$ 500,132	$ 126,167

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details