Note 1 - Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) |
Sep. 30, 2021 |
Sep. 30, 2020 |
|---|---|---|
| Fixed Assets | $ 15,066,343 | $ 13,491,460 |
| Less accumulated depreciation | 10,068,685 | 8,538,641 |
| Property, plant and equipment, net | 4,997,658 | 4,952,819 |
| Machinery and Equipment [Member] | ||
| Fixed Assets | 9,178,935 | 8,171,497 |
| Office Equipment [Member] | ||
| Fixed Assets | 2,901,385 | 2,478,056 |
| Leasehold Improvements [Member] | ||
| Fixed Assets | 2,589,777 | 2,576,861 |
| Vehicles [Member] | ||
| Fixed Assets | 245,903 | 245,903 |
| Construction in Progress [Member] | ||
| Fixed Assets | $ 150,343 | $ 19,143 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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