Note 8 - Warrants and Other Derivative Liabilities and Fair Value Measurements - Fair Value Liabilities Measured on Recurring Basis (Details) - USD ($) |
Jun. 30, 2025 |
Sep. 30, 2024 |
|---|---|---|
| Derivative liabilities | $ 101,060,811 | $ 79,742,180 |
| Fair Value, Recurring [Member] | ||
| Derivative liabilities | 101,060,811 | 79,742,180 |
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | ||
| Derivative liabilities | 0 | 0 |
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | ||
| Derivative liabilities | 101,060,811 | 79,742,180 |
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | ||
| Derivative liabilities | $ 0 | $ 0 |