Note 3 - Investments (Details Textual) |
6 Months Ended |
|---|---|
Jun. 30, 2026 | |
| Trade Finance Transactions, Maturity Period (Year) | 1 year |
| Minimum [Member] | |
| Trade Finance Transactions, Period (Day) | 60 days |
| Maximum [Member] | |
| Trade Finance Transactions, Period (Day) | 180 days |