Note 14 - Property, Plant, and Equipment, Net - Schedule of Property, Plant, and Equipment (Details) - USD ($) |
Jun. 30, 2025 |
Sep. 30, 2024 |
|---|---|---|
| Total cost of assets excluding accumulated impairment | $ 44,055,405 | $ 104,605,846 |
| Less: accumulated depreciation | (13,868,062) | (22,425,580) |
| Property, Plant, and Equipment, net | 30,187,343 | 82,180,266 |
| Building [Member] | ||
| Total cost of assets excluding accumulated impairment | 8,513,177 | 50,007,998 |
| Machinery and Equipment [Member] | ||
| Total cost of assets excluding accumulated impairment | 22,868,835 | 41,968,053 |
| Construction in Progress [Member] | ||
| Total cost of assets excluding accumulated impairment | 3,075,654 | 3,183,451 |
| Land [Member] | ||
| Total cost of assets excluding accumulated impairment | 1,600,303 | 3,065,757 |
| Property, Plant and Equipment, Other Types [Member] | ||
| Total cost of assets excluding accumulated impairment | $ 7,997,436 | $ 6,380,587 |