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Note 5 - Segment Information - Segment Activity of Continuing Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Crude oil, natural gas and natural gas liquids sales |  | $ 455,066 |  |  | $ 354,326 |  | $ 199,075
Production expense |  | 153,157 |  |  | 112,661 |  | 81,255
FPSO demobilization and other costs |  | 7,484 |  |  | 8,867 |  |
Exploration expense |  | 1,965 |  |  | 258 |  | 1,579
Depreciation, depletion and amortization |  | 115,302 |  |  | 48,143 |  | 21,060
General and administrative expense |  | 23,840 |  |  | 10,077 |  | 14,766
Accounts Receivable, Credit Loss Expense (Reversal) |  | (4,906) |  |  | 3,082 |  | 875
Total operating costs and expenses |  | 296,842 |  |  | 183,088 |  | 119,535
Other operating income (expense), net |  | 433 |  |  | 38 |  | (440)
Operating income (loss) |  | 158,657 |  |  | 171,276 |  | 79,100
Derivative instruments gain (loss), net |  | 232 |  |  | (37,812) |  | (22,826)
Interest (expense) income, net |  | (6,452) |  |  | (2,034) |  | 10
Other income (expense), net |  | (2,291) |  |  | (8,048) |  | 3,494
Total other income (expense), net |  | (8,511) |  |  | (47,894) |  | (19,322)
Income (loss) from continuing operations before income taxes |  | 150,146 |  |  | 123,382 |  | 59,778
Income tax expense |  | 89,777 |  | $ 71,420 | 71,420 |  | (22,156)
Income (loss) from continuing operations |  | 60,369 |  |  | 51,962 |  | 81,934
Loss from discontinued operations, net of tax |  | (15) |  |  | (72) |  | (98)
Net income |  | 60,354 |  |  | 51,890 |  | 81,836
Consolidated capital expenditures (1) |  | 72,636 | [1] |  | 434,360 | [1] | 79,221
Crude oil and natural gas sales |  | 455,066 |  |  | 354,326 |  | 199,075
Production expense |  | 153,157 |  |  | 112,661 |  | 81,255
General and administrative expense |  | 23,840 |  |  | 10,077 |  | 14,766
Total operating costs and expenses |  | 296,842 |  |  | 183,088 |  | 119,535
Derivative instruments loss, net |  | 232 |  |  | (37,812) |  | (22,826)
Interest income, net |  | (6,452) |  |  | (2,034) |  | 10
Other income (expense), net |  | (2,291) |  |  | (8,048) |  | 3,494
Income (loss) from continuing operations before income taxes |  | 150,146 |  |  | 123,382 |  | 59,778
Income (loss) from continuing operations |  | 60,369 |  |  | 51,962 |  | 81,934
Loss from discontinued operations, net of tax |  | (15) |  |  | (72) |  | (98)
Net Income (Loss) Attributable to Parent, Total |  | 60,354 |  |  | 51,890 |  | 81,836
Consolidated capital expenditures |  | 72,636 | [1] |  | 434,360 | [1] | 79,221
Corporate, Non-Segment [Member] |  |  |  |  |  |  |
Crude oil, natural gas and natural gas liquids sales |  | 0 |  |  | 0 |  | 0
Production expense |  | 303 |  |  | 0 |  | 6
FPSO demobilization and other costs |  | 0 |  |  | 0 |  |
Exploration expense |  | 0 |  |  | 0 |  | 0
Depreciation, depletion and amortization |  | 187 |  |  | 127 |  | 88
General and administrative expense |  | 20,681 |  |  | 6,438 |  | 13,144
Accounts Receivable, Credit Loss Expense (Reversal) |  | 0 |  |  | 0 |  | 0
Total operating costs and expenses |  | 21,171 |  |  | 6,565 |  | 13,238
Other operating income (expense), net |  | 0 |  |  | 0 |  | 0
Operating income (loss) |  | (21,171) |  |  | (6,565) |  | (13,238)
Derivative instruments gain (loss), net |  | 232 |  |  | (37,825) |  | (22,826)
Interest (expense) income, net |  | 1,225 |  |  | 8 |  | 10
Other income (expense), net |  | (1,467) |  |  | (6,564) |  | (3,428)
Total other income (expense), net |  | (10) |  |  | (44,381) |  | (26,244)
Income (loss) from continuing operations before income taxes |  | (21,181) |  |  | (50,946) |  | (39,482)
Income tax expense |  | 6,226 |  |  | (3,344) |  | (34,549)
Income (loss) from continuing operations |  | (27,407) |  |  | (47,602) |  | (4,933)
Loss from discontinued operations, net of tax |  | (15) |  |  | (72) |  | (98)
Net income |  | (27,422) |  |  | (47,674) |  | (5,031)
Consolidated capital expenditures (1) |  | 950 | [1] |  | 710 | [1] | 52
Crude oil and natural gas sales |  | 0 |  |  | 0 |  | 0
Production expense |  | 303 |  |  | 0 |  | 6
General and administrative expense |  | 20,681 |  |  | 6,438 |  | 13,144
Total operating costs and expenses |  | 21,171 |  |  | 6,565 |  | 13,238
Derivative instruments loss, net |  | 232 |  |  | (37,825) |  | (22,826)
Interest income, net |  | 1,225 |  |  | 8 |  | 10
Other income (expense), net |  | (1,467) |  |  | (6,564) |  | (3,428)
Income (loss) from continuing operations before income taxes |  | (21,181) |  |  | (50,946) |  | (39,482)
Income (loss) from continuing operations |  | (27,407) |  |  | (47,602) |  | (4,933)
Loss from discontinued operations, net of tax |  | (15) |  |  | (72) |  | (98)
Net Income (Loss) Attributable to Parent, Total |  | (27,422) |  |  | (47,674) |  | (5,031)
Consolidated capital expenditures |  | 950 | [1] |  | 710 | [1] | 52
Gabon Segment [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Crude oil, natural gas and natural gas liquids sales |  | 260,346 |  |  | 306,775 |  | 199,075
Production expense |  | 87,131 |  |  | 96,854 |  | 80,717
FPSO demobilization and other costs |  | 7,484 |  |  | 8,867 |  |
Exploration expense |  | 51 |  |  | 258 |  | 1,579
Depreciation, depletion and amortization |  | 62,622 |  |  | 34,651 |  | 20,972
General and administrative expense |  | 1,769 |  |  | 3,101 |  | 1,301
Accounts Receivable, Credit Loss Expense (Reversal) |  | (10,596) |  |  | 2,743 |  | 875
Total operating costs and expenses |  | 148,461 |  |  | 146,474 |  | 105,444
Other operating income (expense), net |  | (55) |  |  | 38 |  | (440)
Operating income (loss) |  | 111,830 |  |  | 160,339 |  | 93,191
Derivative instruments gain (loss), net |  |  |  |  |  |  | 0
Interest (expense) income, net |  | (5,563) |  |  | (1,446) |  | 0
Other income (expense), net |  | (820) |  |  | (1,484) |  | 6,925
Total other income (expense), net |  | (6,383) |  |  | (2,930) |  | 6,925
Income (loss) from continuing operations before income taxes |  | 105,447 |  |  | 157,409 |  | 100,116
Income tax expense |  | 50,692 |  |  | 68,509 |  | 12,392
Income (loss) from continuing operations |  | 54,755 |  |  | 88,900 |  | 87,724
Loss from discontinued operations, net of tax |  | 0 |  |  | 0 |  | 0
Net income |  | 54,755 |  |  | 88,900 |  | 87,724
Consolidated capital expenditures (1) |  | 17,011 | [1] |  | 162,375 | [1] | 79,169
Crude oil and natural gas sales |  | 260,346 |  |  | 306,775 |  | 199,075
Production expense |  | 87,131 |  |  | 96,854 |  | 80,717
General and administrative expense |  | 1,769 |  |  | 3,101 |  | 1,301
Total operating costs and expenses |  | 148,461 |  |  | 146,474 |  | 105,444
Derivative instruments loss, net |  |  |  |  |  |  | 0
Interest income, net |  | (5,563) |  |  | (1,446) |  | 0
Other income (expense), net |  | (820) |  |  | (1,484) |  | 6,925
Income (loss) from continuing operations before income taxes |  | 105,447 |  |  | 157,409 |  | 100,116
Income (loss) from continuing operations |  | 54,755 |  |  | 88,900 |  | 87,724
Loss from discontinued operations, net of tax |  | 0 |  |  | 0 |  | 0
Net Income (Loss) Attributable to Parent, Total |  | 54,755 |  |  | 88,900 |  | 87,724
Consolidated capital expenditures |  | 17,011 | [1] |  | 162,375 | [1] | 79,169
Egypt [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Crude oil, natural gas and natural gas liquids sales |  | 161,049 |  |  | 37,710 |  |
Production expense |  | 54,779 |  |  | 11,936 |  |
FPSO demobilization and other costs |  | 0 |  |  | 0 |  |
Exploration expense |  | 1,914 |  |  | 0 |  |
Depreciation, depletion and amortization |  | 35,095 |  |  | 10,444 |  |
General and administrative expense |  | 974 |  |  | 0 |  |
Accounts Receivable, Credit Loss Expense (Reversal) |  | 5,182 |  |  | 0 |  |
Total operating costs and expenses |  | 97,944 |  |  | 22,380 |  |
Other operating income (expense), net |  | (241) |  |  | 0 |  |
Operating income (loss) |  | 62,864 |  |  | 15,330 |  |
Interest (expense) income, net |  | (2,110) |  |  | (596) |  |
Other income (expense), net |  | 0 |  |  | 0 |  |
Total other income (expense), net |  | (2,110) |  |  | (596) |  |
Income (loss) from continuing operations before income taxes |  | 60,754 |  |  | 14,734 |  |
Income tax expense |  | 32,859 |  |  | 6,254 |  |
Income (loss) from continuing operations |  | 27,895 |  |  | 8,480 |  |
Loss from discontinued operations, net of tax |  | 0 |  |  | 0 |  |
Net income |  | 27,895 |  |  | 8,480 |  |
Consolidated capital expenditures (1) | [1] | 37,866 |  |  | 168,012 |  |
Crude oil and natural gas sales |  | 161,049 |  |  | 37,710 |  |
Production expense |  | 54,779 |  |  | 11,936 |  |
General and administrative expense |  | 974 |  |  | 0 |  |
Total operating costs and expenses |  | 97,944 |  |  | 22,380 |  |
Interest income, net |  | (2,110) |  |  | (596) |  |
Other income (expense), net |  | 0 |  |  | 0 |  |
Income (loss) from continuing operations before income taxes |  | 60,754 |  |  | 14,734 |  |
Income (loss) from continuing operations |  | 27,895 |  |  | 8,480 |  |
Loss from discontinued operations, net of tax |  | 0 |  |  | 0 |  |
Net Income (Loss) Attributable to Parent, Total |  | 27,895 |  |  | 8,480 |  |
Consolidated capital expenditures | [1] | 37,866 |  |  | 168,012 |  |
Canada [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Crude oil, natural gas and natural gas liquids sales |  | 33,671 |  |  | 9,841 |  |
Production expense |  | 9,463 |  |  | 1,972 |  |
FPSO demobilization and other costs |  | 0 |  |  | 0 |  |
Exploration expense |  | 0 |  |  | 0 |  |
Depreciation, depletion and amortization |  | 17,398 |  |  | 2,921 |  |
General and administrative expense |  | 0 |  |  | 0 |  |
Accounts Receivable, Credit Loss Expense (Reversal) |  | 0 |  |  | 0 |  |
Total operating costs and expenses |  | 26,861 |  |  | 4,893 |  |
Other operating income (expense), net |  | 729 |  |  | 0 |  |
Operating income (loss) |  | 7,539 |  |  | 4,948 |  |
Derivative instruments gain (loss), net |  | 0 |  |  | 13 |  |
Interest (expense) income, net |  | (4) |  |  | 0 |  |
Other income (expense), net |  | 2 |  |  | 0 |  |
Total other income (expense), net |  | (2) |  |  | 13 |  |
Income (loss) from continuing operations before income taxes |  | 7,537 |  |  | 4,961 |  |
Income tax expense |  | 0 |  |  | 0 |  |
Income (loss) from continuing operations |  | 7,537 |  |  | 4,961 |  |
Loss from discontinued operations, net of tax |  | 0 |  |  | 0 |  |
Net income |  | 7,537 |  |  | 4,961 |  |
Consolidated capital expenditures (1) | [1] | 16,809 |  |  | 103,263 |  |
Crude oil and natural gas sales |  | 33,671 |  |  | 9,841 |  |
Production expense |  | 9,463 |  |  | 1,972 |  |
General and administrative expense |  | 0 |  |  | 0 |  |
Total operating costs and expenses |  | 26,861 |  |  | 4,893 |  |
Derivative instruments loss, net |  | 0 |  |  | 13 |  |
Interest income, net |  | (4) |  |  | 0 |  |
Other income (expense), net |  | 2 |  |  | 0 |  |
Income (loss) from continuing operations before income taxes |  | 7,537 |  |  | 4,961 |  |
Income (loss) from continuing operations |  | 7,537 |  |  | 4,961 |  |
Loss from discontinued operations, net of tax |  | 0 |  |  | 0 |  |
Net Income (Loss) Attributable to Parent, Total |  | 7,537 |  |  | 4,961 |  |
Consolidated capital expenditures | [1] | 16,809 |  |  | 103,263 |  |
Equatorial Guinea Segment [Member] | Operating Segments [Member] |  |  |  |  |  |  |
Crude oil, natural gas and natural gas liquids sales |  | 0 |  |  | 0 |  | 0
Production expense |  | 1,481 |  |  | 1,899 |  | 532
FPSO demobilization and other costs |  | 0 |  |  | 0 |  |
Exploration expense |  | 0 |  |  | 0 |  | 0
Depreciation, depletion and amortization |  | 0 |  |  | 0 |  | 0
General and administrative expense |  | 416 |  |  | 538 |  | 321
Accounts Receivable, Credit Loss Expense (Reversal) |  | 508 |  |  | 339 |  | 0
Total operating costs and expenses |  | 2,405 |  |  | 2,776 |  | 853
Other operating income (expense), net |  | 0 |  |  | 0 |  | 0
Operating income (loss) |  | (2,405) |  |  | (2,776) |  | (853)
Derivative instruments gain (loss), net |  |  |  |  |  |  | 0
Interest (expense) income, net |  | 0 |  |  | 0 |  | 0
Other income (expense), net |  | (6) |  |  | 0 |  | (3)
Total other income (expense), net |  | (6) |  |  | 0 |  | (3)
Income (loss) from continuing operations before income taxes |  | (2,411) |  |  | (2,776) |  | (856)
Income tax expense |  | 0 |  |  | 1 |  | 1
Income (loss) from continuing operations |  | (2,411) |  |  | (2,777) |  | (857)
Loss from discontinued operations, net of tax |  | 0 |  |  | 0 |  | 0
Net income |  | (2,411) |  |  | (2,777) |  | (857)
Consolidated capital expenditures (1) |  | 0 | [1] |  | 0 | [1] | 0
Crude oil and natural gas sales |  | 0 |  |  | 0 |  | 0
Production expense |  | 1,481 |  |  | 1,899 |  | 532
General and administrative expense |  | 416 |  |  | 538 |  | 321
Total operating costs and expenses |  | 2,405 |  |  | 2,776 |  | 853
Derivative instruments loss, net |  |  |  |  |  |  | 0
Interest income, net |  | 0 |  |  | 0 |  | 0
Other income (expense), net |  | (6) |  |  | 0 |  | (3)
Income (loss) from continuing operations before income taxes |  | (2,411) |  |  | (2,776) |  | (856)
Income (loss) from continuing operations |  | (2,411) |  |  | (2,777) |  | (857)
Loss from discontinued operations, net of tax |  | 0 |  |  | 0 |  | 0
Net Income (Loss) Attributable to Parent, Total |  | (2,411) |  |  | (2,777) |  | (857)
Consolidated capital expenditures |  | $ 0 | [1] |  | $ 0 | [1] | $ 0
[1] | Includes assets acquired in the TransGlobe acquisition

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