Note 3 - Acquisition - Allocation of Purchase Price to Assets Acquired and Liabilities Assumed (Details) - Svenska Petroleum Exploration Aktiebolag [Member] $ in Thousands	Apr. 30, 2024 USD ($)
Cash	$ 40,166
Cash and cash equivalents	31,789
Other receivables, net	830
Crude oil inventory	14,981
Prepayments and other	409
Crude oil, natural gas and NGLs properties and equipment, net	100,188
Restricted cash	8,788
Other LT receivables	33
Deferred tax asset	28,153
Total assets acquired	185,172
Accounts payable	(2,506)
State oil liability	(19,447)
Accrued tax settlement	(8,788)
Accrued accounts payable invoices	(21,692)
Accrued liabilities and other	(19,083)
Asset retirement obligations	(15,694)
Deferred tax liability	(37,897)
Total liabilities acquired	(125,107)
Bargain purchase gain	(19,898)
Total purchase price	$ 40,166