Segment Reporting Disclosure [Text Block] | 4. The Company’s operations are based in Gabon and the Company has an undeveloped block in Equatorial Guinea. Each of the Company’s two reportable operating segments is organized and managed based upon geographic location. The Company’s Chief Executive Officer, who is the chief operating decision maker, and management review and evaluate the operation of each geographic segment separately, primarily based on operating income (loss). The operations of all segments include exploration for and production of hydrocarbons where commercial reserves have been found and developed. Revenues are based on the location of hydrocarbon production. Corporate and other is primarily corporate and operations support costs that are not Segment activity of continuing operations for the three nine September 30, 2022 2021 September 30, 2022 December 31, 2021 Three Months Ended September 30, 2022 (in thousands) Gabon Equatorial Guinea Corporate and Other Total Revenues: Crude oil and natural gas sales $ 78,097 $ — $ — $ 78,097 Operating costs and expenses: Production expense 22,828 484 — 23,312 FPSO demobilization 8,867 — — 8,867 Exploration expense 56 — — 56 Depreciation, depletion and amortization 8,940 — 23 8,963 General and administrative expense 915 120 944 1,979 Bad debt expense and other 681 339 — 1,020 Total operating costs and expenses 42,287 943 967 44,197 Other operating expense, net — — — — Operating income 35,810 (943 ) (967 ) 33,900 Other income (expense): Derivative instruments loss, net — — 3,778 3,778 Interest (expense) income, net (351 ) — 117 (234 ) Other (expense) income, net (1,305 ) 1 (6,403 ) (7,707 ) Total other expense, net (1,656 ) 1 (2,508 ) (4,163 ) Income from continuing operations before income taxes 34,154 (942 ) (3,475 ) 29,737 Income tax (benefit) expense 25,415 — (2,572 ) 22,843 Income from continuing operations 8,739 (942 ) (903 ) 6,894 Loss from discontinued operations, net of tax — — (26 ) (26 ) Net income $ 8,739 $ (942 ) $ (929 ) $ 6,868 Consolidated capital expenditures $ 51,610 $ — $ 53 $ 51,663 Nine Months Ended September 30, 2022 (in thousands) Gabon Equatorial Guinea Corporate and Other Total Revenues: Crude oil and natural gas sales $ 257,738 $ — $ — $ 257,738 Operating costs and expenses: Production expense 66,269 878 — 67,147 FPSO demobilization 8,867 — — 8,867 Exploration expense 250 — — 250 Depreciation, depletion and amortization 21,766 — 61 21,827 General and administrative expense 2,073 329 8,105 10,507 Bad debt expense and other 1,744 339 — 2,083 Total operating costs and expenses 100,969 1,546 8,166 110,681 Other operating expense, net (5 ) — — (5 ) Operating income 156,764 (1,546 ) (8,166 ) 147,052 Other income (expense): Derivative instruments loss, net — — (37,522 ) (37,522 ) Interest (expense) income, net (515 ) — 160 (355 ) Other (expense) income, net (2,799 ) (1 ) (7,714 ) (10,514 ) Total other expense, net (3,314 ) (1 ) (45,076 ) (48,391 ) Income from continuing operations before income taxes 153,450 (1,547 ) (53,242 ) 98,661 Income tax (benefit) expense 74,671 1 (10,205 ) 64,467 Income from continuing operations 78,779 (1,548 ) (43,037 ) 34,194 Loss from discontinued operations, net of tax — — (58 ) (58 ) Net income $ 78,779 $ (1,548 ) $ (43,095 ) $ 34,136 Consolidated capital expenditures $ 121,492 $ — $ 120 $ 121,612 Three Months Ended September 30, 2021 (in thousands) Gabon Equatorial Guinea Corporate and Other Total Revenues: Crude oil and natural gas sales $ 55,899 $ — $ — $ 55,899 Operating costs and expenses: Production expense 24,967 229 12 25,208 Exploration expense 479 — — 479 Depreciation, depletion and amortization 6,953 — 17 6,970 General and administrative expense 394 42 2,504 2,940 Bad debt expense and other 318 — — 318 Total operating costs and expenses 33,111 271 2,533 35,915 Other operating expense, net 46 — — 46 Operating income 22,834 (271 ) (2,533 ) 20,030 Other income (expense): Derivative instruments loss, net — — (5,147 ) (5,147 ) Interest (expense) income, net — — 3 3 Other (expense) income, net (318 ) (1 ) (9 ) (328 ) Total other expense, net (318 ) (1 ) (5,153 ) (5,472 ) Income from continuing operations before income taxes 22,516 (272 ) (7,686 ) 14,558 Income tax (benefit) expense 839 — (18,022 ) (17,183 ) Income from continuing operations 21,677 (272 ) 10,336 31,741 Loss from discontinued operations, net of tax — — (20 ) (20 ) Net income $ 21,677 $ (272 ) $ 10,316 $ 31,721 Consolidated capital expenditures (1) $ 6,696 $ — $ — $ 6,696 ( 1 Nine Months Ended September 30, 2021 (in thousands) Gabon Equatorial Guinea Corporate and Other Total Revenues: Crude oil and natural gas sales $ 142,696 $ — $ — $ 142,696 Operating costs and expenses: Production expense 57,478 261 21 57,760 Exploration expense 1,286 — — 1,286 Depreciation, depletion and amortization 16,860 — 68 16,928 General and administrative expense 885 244 11,092 12,221 Bad debt expense and other 814 — — 814 Total operating costs and expenses 77,323 505 11,181 89,009 Other operating expense, net (87 ) — (353 ) (440 ) Operating income 65,286 (505 ) (11,534 ) 53,247 Other income (expense): Derivative instruments loss, net — — (21,070 ) (21,070 ) Interest (expense) income, net — — 9 9 Other (expense) income, net 6,854 (2 ) (2,764 ) 4,088 Total other expense, net 6,854 (2 ) (23,825 ) (16,973 ) Income from continuing operations before income taxes 72,140 (507 ) (35,359 ) 36,274 Income tax (benefit) expense 10,318 1 (21,591 ) (11,272 ) Income from continuing operations 61,822 (508 ) (13,768 ) 47,546 Loss from discontinued operations, net of tax — — (72 ) (72 ) Net income $ 61,822 $ (508 ) $ (13,840 ) $ 47,474 Consolidated capital expenditures (1) $ 10,993 $ — $ — $ 10,993 ( 1 (in thousands) Gabon Equatorial Guinea Corporate and Other Total Long-lived assets from continuing operations: As of September 30, 2022 $ 184,484 $ 10,000 $ 227 $ 194,711 As of December 31, 2021 $ 84,156 $ 10,000 $ 168 $ 94,324 (in thousands) Gabon Equatorial Guinea Corporate and Other Total Total assets from continuing operations: As of September 30, 2022 $ 313,746 $ 10,689 $ 70,338 $ 394,773 As of December 31, 2021 $ 201,748 $ 10,548 $ 50,794 $ 263,090 Information about the Company’s most significant customers The Company currently sells crude oil production from Gabon under term crude oil sales and purchase agreements (“COSPAs”) or crude oil sales and marketing agreements ("COSMA or COSMAs") with pricing based upon an average of Dated Brent in the month of lifting, adjusted for location and market factors. The Company was previously party to a COSPA with ExxonMobil Sales and Supply LLC (“Exxon”) that covered sales from February 2020 July 2022 As discussed further in Note 11, May 16, 2022, G4 160 August 1, 2022 During the three nine September 30, 2022 2021 January 2021 July 2022 August September 2022. |