Note 3 - Revenue From Contracts With Customers (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended June 30,
	2021						2020
	Oil		Gas		NGL		Oil		Gas		NGL
Operating Regions:
Permian/Delaware Basin	$	8,399	$	749	$	420	$	565	$	20	$	12
Rocky Mountain	$	7,369	$	510	$	994	$	1,405	$	2	$	(9	)

	Six Months Ended June 30,
	2021						2020
	Oil		Gas		NGL		Oil		Gas		NGL
Operating Regions:
Permian/Delaware Basin	$	15,565	$	1,864	$	689	$	9,072	$	34	$	10
Rocky Mountain	$	14,128	$	1,065	$	1,794	$	8,433	$	74	$	90