Note 2 - Summary of Significant Accounting Policies - Schedule of Property, Plant and Equipment, Useful Lives (Details) |
Mar. 31, 2023 |
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| Laboratory Equipment [Member] | Minimum [Member] | |
| Property and equipment, useful life (Year) | 8 years |
| Laboratory Equipment [Member] | Maximum [Member] | |
| Property and equipment, useful life (Year) | 14 years |
| Office Equipment [Member] | Minimum [Member] | |
| Property and equipment, useful life (Year) | 5 years |
| Office Equipment [Member] | Maximum [Member] | |
| Property and equipment, useful life (Year) | 13 years |
| Computer Equipment [Member] | Minimum [Member] | |
| Property and equipment, useful life (Year) | 3 years |
| Computer Equipment [Member] | Maximum [Member] | |
| Property and equipment, useful life (Year) | 7 years |
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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