Note 2 - Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Year Ended December 31, 2019
(In thousands)	Oil Revenue		Gas Revenue		NGL Revenue		Total Oil and Natural Gas Revenues
Operated	$	9,961	$	91,811	$	-	$	101,772
Non-operated		426		16,142		13		16,581
Total oil and natural gas revenues	$	10,387	$	107,953	$	13	$	118,353

	Year Ended December 31, 2018
(In thousands)	Oil Revenue		Gas Revenue		NGL Revenue		Total Oil and Natural Gas Revenues
Operated	$	14,189	$	58,911	$	-	$	73,100
Non-operated		556		14,236		51		14,843
Total oil and natural gas revenues	$	14,745	$	73,147	$	51	$	87,943