Note 2 - Current Liabilities - Components of Accounts Payable and Accrued (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Accounts Payable:
Production and related other	$ 1,522,106	$ 1,615,606
Other	299,150	295,507
Joint venture partner deposits	48,629	46,929
Total accounts payable	1,869,885	1,958,042
Accrued Expenses:
Current portion of asset retirement obligations	196,000	775,000
Payroll and retirement plan contributions	692,083	664,384
Drilling	106,100	106,100
Other	55,100	45,600
Federal, state and local taxes	35,064	33,121
Total accrued expenses	$ 1,084,347	$ 1,624,205