Note 10 - Commitments and Contingencies (Details Textual) |
Dec. 31, 2021
USD ($)
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|---|---|
| Research and Development Contracts [Member] | |
| Contractual Obligation, to be Paid, Year One | $ 6,000,000.0 |
| Contractual Obligation, to be Paid, Year Two | 6,900,000 |
| Technology License [Member] | |
| Milestone Payment, Due Upon Initiation of Phase III Trial | 185,000 |
| Milestone Payment, Due Upon First Regulatory Approval for Commercial Sale | 185,000 |
| Contractual Obligation, Total | 0 |
| Indemnification Agreements [Member] | |
| Contractual Obligation, Total | $ 0 |
| X | ||||||||||
- Definition The amount of milestone payment due upon first regulatory approval for commercial sale. No definition available.
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| X | ||||||||||
- Definition The amount of milestone payment due upon initiation of Phase III trial No definition available.
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| X | ||||||||||
- Definition Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. No definition available.
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| X | ||||||||||
- Definition Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). No definition available.
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| X | ||||||||||
- Definition Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). No definition available.
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| X | ||||||||||
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