Note 2 - Current Liabilities - Components of Accounts Payable and Accrued (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Accounts Payable:
Production and related other	$ 2,152,408	$ 2,108,366
Other	194,639	193,789
Total accounts payable	2,347,047	2,302,155
Accrued Expenses:
Payroll and retirement plan contributions	147,544	671,031
Other general and administrative	67,100	55,441
Current portion of asset retirement obligations	65,000	122,000
Federal, state and local taxes	13,664	35,990
Total accrued expenses	$ 293,308	$ 884,462