Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.24.0.1
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Jan. 19, 2022
Mar. 31, 2023
Dec. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Jan. 01, 2023
Abandonment Funding Payment Approved   $ 26,600          
Abandonment Funding Payment Approved, Attributable to Company   15,600          
Payment Received for Abandonment   $ 15,600          
Allowance for Credit Loss, Receivable, Other, Current     $ 0 $ 4,600 $ 0    
Value Added Tax Receivable     13,900 1,600 13,900    
Retained Earnings (Accumulated Deficit)     147,024 177,486 147,024    
Accounts Receivable, Credit Loss Expense (Reversal)       (4,906) 3,082 $ 875  
Gain (Loss), Foreign Currency Transaction, before Tax       (900) (4,200) $ (700)  
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]              
Other Receivables             $ 7,500
Retained Earnings (Accumulated Deficit)             $ 3,100
Accounts Receivable, Credit Loss Expense (Reversal)       (12,400)      
Vaalco Energy Inc. and Other Etame Marin Block Owners [Member]              
Value Added Tax Receivable     21,800   $ 21,800    
Block P Offshore Equatorial Guinea [Member]              
Accounts Receivable, before Allowance for Credit Loss       800      
TransGlobe [Member]              
Merged Concession Agreement, Development Term (Year) 15 years            
Merged Concession Agreement, Extension Term (Year) 5 years            
Other Receivables $ 67,500     45,600      
Proceeds from Collection of Other Receivables     $ 17,200        
Allowance for Credit Loss, Receivable, Other, Current       4,600      
FPSO Charter [Member]              
Restricted Cash       1,800      
CANADA              
Restricted Cash, Current       $ 100