Note 5 - Property and Equipment, Net - Components of Property and Equipment, Net (Details) - USD ($) |
May 31, 2022 |
Aug. 31, 2021 |
|---|---|---|
| Land | $ 310,365 | $ 310,365 |
| Buildings and improvements | 14,098,634 | 13,149,258 |
| Machinery and equipment | 5,569,711 | 5,453,679 |
| Gross | 19,978,710 | 18,913,302 |
| Less accumulated depreciation | (7,907,433) | (7,091,844) |
| Net | $ 12,071,277 | $ 11,821,458 |