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Note 12 - Leases (Details Textual) $ in Millions | Mar. 31, 2023 USD ($)
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Oil and Gas Joint Interest Billing Receivables | $ 51.5
Lessee, Operating And Finance Lease Liability, Payments Due | $ 125.0
Minimum [Member] |
Lessee, Operating Lease, Term of Contract (Month) | 3 months
Lessee, Finance Lease, Term of Contract (Year) | 7 years
Maximum [Member] |
Lessee, Operating Lease, Term of Contract (Month) | 24 months
Lessee, Finance Lease, Term of Contract (Year) | 114 years

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- Definition Amount of payments due under operating and finance lease of the lessee. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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Period Type: | instant

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- Definition Portion of accounts receivable attributable to joint interest partners in oil and gas properties. These are billings to the non-operators associated with the operation of wells and are based on those owners' working interests in the wells. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 932 -SubTopic 323 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482394/932-323-25-1 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Balance Type: |
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- Details
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