Note 2 - Summary of Significant Accounting Policies (Details Textual) |
Apr. 22, 2024 |
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| Reverse Stock Split [Member] | Pieris Pharmaceuticals, Inc. [Member] | |
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 80 |
| X | ||||||||||
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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