v3.26.1
Note 11 - Investments in Unconsolidated Entities (Details Textual)
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Disclosure of unconsolidated structured entities [line items]      
Share of net loss of equity-accounted investees $ 268,000 $ (2,000) $ 0
Weighted average cost of capital, measurement input [member]      
Disclosure of unconsolidated structured entities [line items]      
Significant unobservable input, assets 0.14    
OPay Digital Services Limited [member]      
Disclosure of unconsolidated structured entities [line items]      
Proportion of ownership interest in entity classified as financial asset 9.50% 9.40%  
Probability-weighted present value $ 3,400,000,000 $ 3,000,000,000  
Discount rate applied to present value of cash flows 18.50%    
OPay Digital Services Limited [member] | Weighted average cost of capital, measurement input [member]      
Disclosure of unconsolidated structured entities [line items]      
Significant unobservable input, assets 0.185 0.189  
OPay Digital Services Limited [member] | Discount rate, measurement input [member]      
Disclosure of unconsolidated structured entities [line items]      
Significant unobservable input, assets 10 10  
OPay Digital Services Limited [member] | Terminal growth rate [member]      
Disclosure of unconsolidated structured entities [line items]      
Significant unobservable input, assets 0.06    
OPay Digital Services Limited [member] | Long term stable growth rate [member]      
Disclosure of unconsolidated structured entities [line items]      
Explanation of period over which revenue is expected to grow The PWERM valuation was corroborated using a discounted cash flow analysis based on projected revenue growth of 39% over the 2025-2031 period, a terminal growth rate of 6%, and a discount rate of 18.5%.    
Growth rate of revenue 39.00%    
OPay Digital Services Limited [member] | Bottom of range [member]      
Disclosure of unconsolidated structured entities [line items]      
Estimated future equity values $ 200,000,000    
Estimated future equity values, number of expected timing 9 months    
Estimated Present Equity Values $ 200,000,000    
OPay Digital Services Limited [member] | Top of range [member]      
Disclosure of unconsolidated structured entities [line items]      
Estimated future equity values $ 6,000,000,000    
Estimated future equity values, number of expected timing 2 years    
Estimated Present Equity Values $ 4,700,000,000    
MiniPay Fund [Member]      
Disclosure of unconsolidated structured entities [line items]      
Invested amount 2,500,000 $ 1,250,000  
Total invested amount 14,596,000 3,435,000  
Outstanding capital commitment 6,250,000    
Share of net loss of equity-accounted investees [1] $ 268,000 $ (2,000) $ 0
Proportion of ownership interest in associate 27.40% 26.00%  
nHorizon [member]      
Disclosure of unconsolidated structured entities [line items]      
Invested amount $ 0    
Share of net loss of equity-accounted investees $ 0    
Proportion of ownership interest in associate 29.10%    
Unrecognized income (loss) from associates $ 11,000    
Accumulated balance of unrecognized share of losses in associates $ 200,000    
[1] As certain other investors in the MiniPay Fund contribute in-kind services instead of paying the asset management fee in cash, Opera’s share of the fund’s net income (loss) deviates from Opera’s ownership interest.