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
|
|
|