Segment Information (Tables)

6 Months Ended

Jun. 30, 2020

Segment Information [Abstract]

Segment Activity

	Three Months Ended June 30, 2020
(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Revenues-crude oil and natural gas sales	$	17,974	$	—	$	—	$	17,974
Depreciation, depletion and amortization		2,772		—		29		2,801
Other operating expense, net		(815)		—		—		(815)
Operating income (loss)		1,704		(69)		(2,601)		(966)
Derivative instruments gain (loss), net		—		—		(756)		(756)
Income tax expense (benefit)		(273)		—		(1,976)		(2,249)
Additions to crude oil and natural gas properties and equipment – accrual		1,190		—		—		1,190

	Six Months Ended June 30, 2020
(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Revenues-crude oil and natural gas sales	$	36,363	$	—	$	—	$	36,363
Depreciation, depletion and amortization		5,844		—		60		5,904
Impairment of proved crude oil and natural gas properties		30,625		—		—		30,625
Bad debt recovery and other		989		—		—		989
Other operating expense, net		(846)		—		—		(846)
Operating income (loss)		(24,579)		(194)		(2,876)		(27,649)
Derivative instruments gain (loss), net		—		—		6,583		6,583
Income tax expense		21,766		—		9,463		31,229
Additions to crude oil and natural gas properties and equipment – accrual		10,611		—		—		10,611

	Three Months Ended June 30, 2019
(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Revenues-crude oil and natural gas sales	$	25,230	$	—	$	—	$	25,230
Depreciation, depletion and amortization		1,835		—		74		1,909
Other operating expense, net		(4,399)		—		—		(4,399)
Operating income (loss)		8,963		(130)		(2,463)		6,370
Derivative instruments gain (loss), net		—		—		1,911		1,911
Income tax expense		7,869		2		1,337		9,208
Additions to crude oil and natural gas properties and equipment – accrual		1,593		—		29		1,622

	Six Months Ended June 30, 2019
(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Revenues-crude oil and natural gas sales	$	44,995	$	—	$	—	$	44,995
Depreciation, depletion and amortization		3,314		—		148		3,462
Impairment of proved crude oil and natural gas properties		—		—		—		—
Bad debt recovery and other		(24)		—		—		(24)
Other operating expense, net		(4,436)		—		—		(4,436)
Operating income (loss)		18,493		(316)		(6,261)		11,916
Derivative instruments gain (loss), net		—		—		(1)		(1)
Income tax expense		10,360		12		1,589		11,961
Additions to crude oil and natural gas properties and equipment – accrual		2,274		(187)		220		2,307

Long-lived Assets From Continuing Operations

(in thousands)	Gabon		Equatorial Guinea		Corporate and Other		Total
Long-lived assets from continuing operations:
As of June 30, 2020	$	31,080	$	10,000	$	268	$	41,348
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 June 30, 2020	$	118,369	$	10,086	$	19,202	$	147,657
As of December 31, 2019	$	151,686	$	10,087	$	49,764	$	211,537