Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($)		1 Months Ended		12 Months Ended
		Nov. 30, 2022	Feb. 28, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Sep. 12, 2023	Nov. 14, 2022
Accounts Receivable, after Allowance for Credit Loss, Current, Total				$ 85,242,000	$ 94,589,000
Oil and Gas Joint Interest Billing Receivables				4,700,000	4,400,000
Income Taxes Receivable				3,100,000	3,200,000
Accounts Payable and Accrued Liabilities, Current, Total				284,600,000	287,400,000
Inventory, Raw Materials and Supplies, Gross, Total				11,000,000	7,300,000
Inventory, LIFO Reserve				0	0
Prepaid Expense				4,600,000	1,000,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance				1,100,000	904,000
Payments of Debt Issuance Costs				58,000	28,444,000	$ 17,128,000
Amortization of Debt Issuance Costs				8,278,000	11,411,000	5,635,000
Debt Instrument, Unamortized Discount, Total	[1]			17,197,000	27,062,000
Amortization of Debt Discount (Premium)				9,865,000	15,140,000	7,735,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total				$ 0
Minimum [Member]
Oil and Natural Gas Marketing Contracts, Term Over Which Consideration is Received from Purchaser (Month)				1 month
Maximum [Member]
Oil and Natural Gas Marketing Contracts, Term Over Which Consideration is Received from Purchaser (Month)				2 months
Senior Unsecured Notes and Revolving Credit Facility [Member]
Debt Issuance Costs, Gross				$ 25,100,000
Payments of Debt Issuance Costs				58,000	25,000,000
Amortization of Debt Issuance Costs				$ 8,300,000	11,400,000	5,600,000
Prior Credit Agreement [Member]
Payments of Debt Issuance Costs					3,300,000
Senior Unsecured Notes Due 2024 [Member]
Debt Issuance Costs, Gross							$ 1,500,000
Payments of Debt Issuance Costs			$ 202,900,000
Debt Instrument, Interest Rate, Stated Percentage			10.00%	10.00%
Debt Instrument, Unamortized Discount, Total				$ 64,800,000			3,200,000
Amortization of Debt Discount (Premium)				$ 9,900,000	$ 15,100,000	$ 7,700,000
The 10.625% Senior Notes [Member]
Debt Issuance Costs, Gross							3,700,000
Payments of Debt Issuance Costs		$ 223,700,000
Debt Instrument, Interest Rate, Stated Percentage				10.625%				10.625%
Debt Instrument, Unamortized Discount, Total							$ 11,700,000
Transportation Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)				5 years
Building [Member]
Property, Plant and Equipment, Useful Life (Year)				40 years
Field Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)				7 years
Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)				5 years
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Largest Purchaser [Member]
Concentration Risk, Percentage				76.00%	82.00%	88.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Second Largest Purchaser [Member]
Concentration Risk, Percentage				18.00%	14.00%
Electric Power Infrastructure [Member]
Accounts Payable and Accrued Liabilities, Current, Total				$ 1,400,000	$ 4,500,000
Crude Oil, Natural Gas and Natural Gas Liquids [Member]
Accounts Receivable, after Allowance for Credit Loss, Current, Total				76,000,000	82,500,000
Aid-in-construction [Member] | WTG Gas Processing, L.P. [Member]
Contract with Customer, Asset, after Allowance for Credit Loss				18,000,000	5,200,000
Contract with Customer, Asset, Asset Funding				17,500,000	1,000,000	$ 2,600,000
Contract with Customer, Asset, Payments Received				$ 2,000,000	$ 924,000	$ 471,000

[1] Discounts as of December 31, 2024 and 2023 consisted of $30.0 million and $30.0 million, respectively, in discounts less accumulated amortization of $12.8 million and $2.9 million, respectively.