Note 4 - Related Party Transactions (Details Textual)										1 Months Ended				3 Months Ended			12 Months Ended
	May 21, 2020 USD ($)	Apr. 21, 2020 USD ($)	Mar. 21, 2020 USD ($)	Feb. 05, 2020 USD ($)	Jan. 17, 2020 USD ($)	Apr. 17, 2018 USD ($) $ / shares shares	Apr. 13, 2018 USD ($)	Apr. 12, 2018 USD ($)	Nov. 13, 2017 USD ($) $ / shares shares	Jan. 31, 2020 USD ($) shares	Nov. 30, 2019 USD ($) shares	Apr. 30, 2018 USD ($) $ / shares shares	Mar. 31, 2018 USD ($) shares	May 21, 2020 USD ($) shares	Mar. 30, 2020 shares	Mar. 31, 2019 shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares
Stock Issued During Period, Value, New Issues																		$ 414,000,000
Number of Shares Transferred to Each Independent Director Nominees | shares													40,000
Number of Independent Directors													3
Number of Shares Transferred to Independent Director Nominees | shares													120,000
Common Stock Dividend Rate												0.02
Founders' Shares, Stock Price Threshold to Relieve Trading Restrictions | $ / shares																	$ 12
Proceeds from Notes Payable, Total																	$ 4,192,794	$ 200,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares						$ 11.50												$ 1
Number of Affiliates							1
Monthly Agreed Payment Amount to Related Party							$ 10,000
Payments for Administrative Services, Related Party																	120,000	$ 80,000
Accrued Payments for Administrative Services, Related Party																	$ 36,000
Proceeds from Issuance of Private Placement						$ 10,280,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares																		10,280,000
Purchase Price of Public Warrant for Sponsor Committed to Offer or Cause Affiliate | $ / shares						$ 1
Warrant Price Transferred to Public Holders in Event of Business Combination Not Closed Within Allotted Time | $ / shares																	$ 1
Forecast [Member]
Monthly Agreed Payment Amount to Related Party														$ 10,000
Private Placement Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares						$ 11.50
Class of Warrant or Right, Issued During Period | shares						10,280,000
Class of Warrant Or Right, Purchase Price Per Warrant | $ / shares						$ 1
Private Placement [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares						$ 1											$ 1
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares						10,280,000
Maximum [Member] | Private Placement [Member]
Convertible Debt, Total																	$ 1,500,000
Founders Shares [Member]
Percentage of Total Outstanding Class A and Class B Common Stock																	20.00%
Percentage of Founders Shares Remains Not Transferred Assigned Sold Subject to Certain Limited Exception																	50.00%
Minimum Period Required to Transfer Assign Sale of Founders Shares After Date of Consummation of Initial Business Acquisition																	1 year
The Sponsor [Member]
Notes Payable, Related Parties																	$ 4,192,794
Class of Warrant or Right, Issued During Period | shares											248,000				17,293,805
Purchase Price of Public Warrant for Sponsor Committed to Offer or Cause Affiliate | $ / shares																	$ 1
Warrants Offer to Purchase, Warrants Purchased Value											$ 248,000
The Sponsor [Member] | Forecast [Member]
Proceeds from Notes Payable, Total	$ 1,247,598	$ 1,247,598
The Sponsor [Member] | Subsequent Event [Member]
Proceeds from Notes Payable, Total			$ 1,247,598
Class of Warrant or Right, Issued During Period | shares										17,293,805
The Sponsor [Member] | Subsequent Event [Member] | Notes Payable to Fund Obligations to Public Shareholders [Member]
Proceeds from Notes Payable, Total				$ 1,247,598	$ 1,247,598
The Sponsor [Member] | Subsequent Event [Member] | Notes Payable for Capital Requirements [Member]
Proceeds from Notes Payable, Total				$ 312,010
HighPeak Energy Partners Limited Partners [Member] | Maximum [Member] | Private Placement [Member]
Aggregate Price Under Forward Purchase Agreement								$ 150,000,000
HighPeak and the Sponsor [Member] | Private Placement [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares												$ 10
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares												7,500,000
HighPeak and the Sponsor [Member] | Maximum [Member] | Private Placement [Member]
Aggregate Price Under Forward Purchase Agreement												$ 150,000,000
Affiliate Of Sponsor [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares												$ 1
Escrow Deposit												$ 20,700,000
Warrants Offer to Purchase | shares																	3,158,195
Warrants Offer to Purchase, Value Amount																	$ 3,158,195
Affiliate Of Sponsor [Member] | Subsequent Event [Member]
Warrants Offer to Purchase, Warrants Purchased Value										$ 17,293,805
Common Class B [Member]
Stock Issued During Period, Shares, New Issues | shares									10,062,500
Sale of Stock, Price Per Share | $ / shares									$ 0.002
Stock Issued During Period, Value, New Issues									$ 25,000
Common Stock Shares Forfeiture Cost													$ 0
Common Stock Shares Forfeiture | shares													1,437,500
Shares, Outstanding, Ending Balance | shares													8,625,000
Common Stock Dividend Rate												0.2
Common Stock, Shares, Outstanding, Ending Balance | shares												10,350,000					10,350,000	10,350,000
Equity Method Investment, Ownership Percentage																20.00%
Shares Issued, Shares, Share-based Payment Arrangement, Forfeited | shares																0
Common Class B [Member] | The Sponsor [Member]
Stock Issued During Period, Shares, New Issues | shares									10,062,500
Sale of Stock, Price Per Share | $ / shares									$ 0.002
Stock Issued During Period, Value, New Issues									$ 25,000
Common Stock Shares Forfeiture Cost													$ 0
Common Stock Shares Forfeiture | shares													1,437,500
Common Class A [Member]
Stock Issued During Period, Shares, New Issues | shares																	37,806,000
Common Stock, Shares, Outstanding, Ending Balance | shares																	80,290	0
Common Class A [Member] | Private Placement [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares						$ 11.50
Common Class A [Member] | HighPeak Energy Partners Limited Partners [Member] | Maximum [Member] | Private Placement [Member]
Stock Issued During Period, Shares, New Issues | shares												15,000,000
Common Class A [Member] | HighPeak Energy Partners Limited Partners [Member] | Maximum [Member] | Private Placement [Member] | Forecast [Member]
Stock Issued During Period, Shares, New Issues | shares														15,000,000