Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)		1 Months Ended		12 Months Ended
		Nov. 30, 2022 USD ($)	Feb. 28, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 12, 2023 USD ($)	Nov. 14, 2022
Accounts Receivable, after Allowance for Credit Loss, Current, Total				$ 94,589,000	$ 96,596,000
Accounts Payable and Accrued Liabilities, Current, Total				287,400,000	266,100,000
Oil and Gas Joint Interest Billing Receivables				4,400,000	2,200,000
Income Taxes Receivable				3,200,000	3,200,000
Inventory, Raw Materials and Supplies, Gross, Total				7,300,000	13,300,000
Inventory, LIFO Reserve				0	0
Prepaid Expense				1,000,000	4,100,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance				904,000	696,000
Payments of Debt Issuance Costs				28,444,000	17,128,000	$ 2,169,000
Amortization of Debt Issuance Costs				11,411,000	5,635,000	498,000
Debt Instrument, Unamortized Discount, Total	[1]			27,062,000	27,086,000
Amortization of Debt Discount (Premium)				15,140,000	7,735,000	0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total				$ 0
Number of Operating Segments				1
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				$ 48,100,000
Payments of Debt Issuance Costs				28,400,000
Amortization of Debt Issuance Costs				$ 11,400,000	5,600,000	498,000
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)				$ 15,100,000	$ 7,700,000	$ 0
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
Technology Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)				3 years
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Largest Purchaser [Member]
Concentration Risk, Percentage				82.00%	88.00%	94.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Second Largest Purchaser [Member]
Concentration Risk, Percentage				14.00%
Electric Power Infrastructure [Member]
Accounts Receivable, after Allowance for Credit Loss, Current, Total				$ 0	$ 4,900,000
Accounts Payable and Accrued Liabilities, Current, Total				4,500,000	4,700,000
Aid-in-construction Receivables [Member] | WTG Gas Processing, L.P. [Member]
Accounts Receivable, after Allowance for Credit Loss, Total				5,200,000	6,100,000
Crude Oil, Natural Gas and Natural Gas Liquids [Member]
Accounts Receivable, after Allowance for Credit Loss, Current, Total				$ 82,500,000	$ 81,600,000

[1] Discounts as of December 31, 2023 and 2022 consisted of $30.0 million and $34.8 million, respectively, in discounts less accumulated amortization of $2.9 million and $7.7 million, respectively.