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Note 10 - Asset Retirement Obligations (Tables) | 3 Months Ended
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Mar. 31, 2022
Notes Tables |
Schedule of Change in Asset Retirement Obligation [Table Text Block] |
Balance, December 31, 2021 |  | $ | 3,162,725 |
Additions |  |  | - |
Liabilities settled |  |  | - |
Accretion expense |  |  | 49,932 |
Balance, March 31, 2022 |  | $ | 3,212,657 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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