Note 3 - Acquisitions and Divestitures (Details Textual) $ in Thousands		12 Months Ended
	Jun. 01, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)
Payments to Acquire Oil and Gas Property and Equipment, Total		$ 54,000	$ 4,500
Number of Vertical Producing Properties Acquired, Gross			3
Number of Salt Water Disposal Wells Acquired, Gross			2
Proceeds from Sale of Oil and Gas Property and Equipment, Net		3,300
Gain (Loss) on Disposition of Oil and Gas and Timber Property, Total		$ 0
Oil and Gas, Non-operated Horizontal Well Divested, Gross, Number		1
Oil and Gas, Horizontal Well Divested, Net Productive, Number		0.2
Oil and Gas, Operated Vertical Wells, Gross, Number		4
Oil and Gas, Operated Vertical Wells, Net Productive, Number		3.7
HighPeak Energy Assets II, LLC [Member] | Grenadier Acquisition [Member]
Payments to Acquire Businesses, Gross	$ 615,000
Business Combination, Escrow Deposit				$ 61,500
Business Combination, Escrow Deposit Not Credited Toward Purchase Price			$ 15,000
HPK, LP [Member] | Grenadier Acquisition [Member]
Business Combination Terminated, Charge to Expense			$ 76,500