Note 5 - Asset Retirement Obligation (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Asset Retirement Obligations [Table Text Block]

Balance at December 31, 2018	$	1,774,114
Liabilities incurred for new wells (net of revisions)		8,352
Liabilities settled (wells sold or plugged)		---
Accretion expense		11,398
Revision to estimate		(471	)
Balance at March 31, 2019	$	1,793,393