Note 15 - Subsequent Events (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Fixed Price Derivatives [Table Text Block]

	Oil - WTI
Contract Periods	Daily Volume (Bbl)		Swap Price (per Bbl)
Fixed Swaps
July - December 2019		1,156	$	58.50
January - December 2020		819	$	57.65
January - December 2021		236	$	55.70