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Note 6 - Credit Facility (Details Textual) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 05, 2022 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 16, 2025 USD ($)	Sep. 15, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jul. 26, 2022 USD ($)
Credit Agreement [Member]
Debt Instrument, Term (Year)	4 years
Debt Instrument, Face Amount	$ 15,000						$ 20,000		$ 20,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 100,000
Debt Instrument, Covenant, Ratio of Total Debt to EBITDAX	3
Debt Instrument, Covenant, Ratio of Consolidated Current Assets to Consolidated Current Liabilities	1
Debt Issuance Costs, Net		$ 53		$ 53
Long-Term Debt, Gross		0		0				$ 0
Interest Expense, Debt		$ 0	$ 77	$ 0	$ 307
Debt Instrument, Unused Borrowing Fee, Percent		0.50%		0.50%
Credit Agreement [Member] | Minimum [Member]
Debt Instrument, Covenant, Restricted Payment, Percentage of Existing Borrowing Base	20.00%
Credit Agreement [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%
Credit Agreement [Member] | Applicable Margin [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	0.25%
Credit Agreement [Member] | Applicable Margin [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Amended Credit Agreement [Member]
Debt Instrument, Face Amount						$ 10,000
Debt Issuance Costs, Net		$ 60		$ 60

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The ratio of consolidated current assets to consolidated current liabilities required by the debt instrument.

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The ratio of total debt to EBITDAX required under the debt instrument.

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Percentage of existing borrowing base for restricted payment under covenant of the debt instrument.

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- Definition

The percent related to the unused borrowing amount of the debt instrument.

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