Note 1 - Nature of Business and Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Apr. 30, 2019
Gas Imbalances	$ 0	$ 0
Revenues, Total	4,278	2,346
Cost of Goods and Services Sold, Total	7,239	2,678
Accounts Receivable, after Allowance for Credit Loss, Current, Total	$ 0	$ 0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	130,578	93,631
Asset Impairment Charges, Total	$ 50,000	$ 0
Asset Retirement Obligations, Noncurrent, Total	$ 786	$ 710
Premier Gas Company, LLC [Member]
Escrow Deposit			$ 50,000