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Note 7 - Asset Retirement Obligations - Asset Retirement Obligations Activity (Details) - USD ($)
$ in Thousands
4 Months Ended 8 Months Ended 12 Months Ended
Dec. 31, 2020
Aug. 21, 2020
Dec. 31, 2019
Beginning asset retirement obligations $ 2,398 $ 2,212 $ 520
Liabilities incurred from new wells 84 97 1,511
Liabilities settled upon plugging and abandoning wells (29) (51)
Revision of estimates (a) [1] (211) 160
Accretion of discount on asset retirement obligations 51 89 72
Ending asset retirement obligations $ 2,293 $ 2,398 $ 2,212
[1] The revisions to the Company's asset retirement obligation estimates are primarily due to changes in estimated costs based on experience with the properties.