Segment Information (Tables)

9 Months Ended

Sep. 30, 2020

Segment Information [Abstract]

Segment Activity

	Three Months Ended September 30, 2020
(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Revenues-crude oil and natural gas sales	$	18,256	$	—	$	—	$	18,256
Depreciation, depletion and amortization		1,946		—		266		2,212
Operating income (loss)		6,957		(95)		(2,184)		4,678
Income tax expense (benefit)		(2,464)		1		(296)		(2,759)
Additions to crude oil and natural gas properties and equipment – accrual		(306)		—		(9)		(315)

	Nine Months Ended September 30, 2020
(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Revenues-crude oil and natural gas sales	$	54,619	$	—	$	—	$	54,619
Depreciation, depletion and amortization		7,790		—		326		8,116
Impairment of proved crude oil and natural gas properties		30,625		—		—		30,625
Bad debt expense and other		1,140		—		—		1,140
Other operating expense, net		(883)		—		—		(883)
Operating loss		(17,622)		(289)		(5,060)		(22,971)
Derivative instruments gain, net		—		—		6,583		6,583
Income tax expense		19,302		1		9,167		28,470
Additions to crude oil and natural gas properties and equipment – accrual		10,305		—		(9)		10,296

	Three Months Ended September 30, 2019
(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Revenues-crude oil and natural gas sales	$	17,603	$	—	$	—	$	17,603
Depreciation, depletion and amortization		1,437		—		72		1,509
Operating income (loss)		6,048		(54)		(4,493)		1,501
Derivative instruments gain, net		—		—		2,267		2,267
Income tax expense		4,774		—		2,907		7,681
Additions to crude oil and natural gas properties and equipment – accrual		6,112		—		—		6,112

	Nine Months Ended September 30, 2019
(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Revenues-crude oil and natural gas sales	$	62,598	$	—	$	—	$	62,598
Depreciation, depletion and amortization		4,751		—		220		4,971
Other operating expense, net		(4,436)		—		35		(4,401)
Operating income (loss)		24,541		(370)		(10,754)		13,417
Derivative instruments gain, net		—		—		2,266		2,266
Interest income, net		4		—		577		581
Other, net		(333)		(4)		(184)		(521)
Income tax expense		15,134		12		4,496		19,642
Additions to crude oil and natural gas properties and equipment – accrual		8,386		(187)		220		8,419

Long-lived Assets From Continuing Operations

(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Long-lived assets from continuing operations:
As of September 30, 2020	$	28,614	$	10,000	$	231	$	38,845
As of December 31, 2019	$	57,930	$	10,000	$	328	$	68,258

(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Total assets from continuing operations:
As of September 30, 2020	$	87,954	$	10,116	$	37,367	$	135,437
As of December 31, 2019	$	151,686	$	10,087	$	49,764	$	211,537