Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Revenue - Revenues from Contracts with Customers and Other Items Not Associated with Customer Contracts (Details)

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Note 6 - Revenue - Revenues from Contracts with Customers and Other Items Not Associated with Customer Contracts (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Crude oil and natural gas sales $ 80,403 $ 68,656
Selling costs (497)  
Crude oil, natural gas and natural gas liquids sales 80,403 68,656
CANADA    
Royalties (1,193)  
Crude oil and natural gas sales 8,882  
Royalties (1,193)  
Crude oil, natural gas and natural gas liquids sales 8,882  
EGYPT    
Royalties (19,340)  
Crude oil and natural gas sales 34,784  
Gross sales 54,621  
Royalties (19,340)  
Crude oil, natural gas and natural gas liquids sales 34,784  
Revenue 54,621  
Crude Oil [Member] | CANADA    
Gross sales 6,654  
Revenue 6,654  
Gas [Member] | CANADA    
Gross sales 958  
Revenue 958  
Crude Oil Sales and Purchase Agreements [Member]    
Sales under the COSPA or COSMA 42,601 76,486
Revenue 42,601 76,486
Natural Gas Liquids [Member] | CANADA    
Sales under the COSPA or COSMA 2,463  
Revenue 2,463  
Carried Interest Recoupment [Member]    
Other items reported in revenue not associated with customer contracts 0 1,112
Oil and Gas [Member]    
Royalties (5,864) (8,942)
Crude oil and natural gas sales 36,737 68,656
Royalties (5,864) (8,942)
Crude oil, natural gas and natural gas liquids sales $ 36,737 $ 68,656