Note 12 - Financial Instruments - Recurring Fair Value Measurements (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Gain / (loss) on derivatives, net | $ 0 | $ (229,934) |
| Not Designated as Hedging Instrument [Member] | ||
| Gain / (loss) on derivatives, net | 0 | (229,934) |
| Not Designated as Hedging Instrument [Member] | Interest Rate Contracts, Unrealized (Loss) / Gain [Member] | ||
| Gain / (loss) on derivatives, net | 0 | (342,084) |
| Not Designated as Hedging Instrument [Member] | Interest Rate Contracts, Realized (Loss) / Gain [Member] | ||
| Gain / (loss) on derivatives, net | $ 0 | $ 112,150 |