Note 2 - Liquidity (Details Textual) - USD ($) |
Jun. 14, 2023 |
Apr. 10, 2023 |
Aug. 30, 2022 |
Aug. 11, 2022 |
Apr. 02, 2018 |
Mar. 03, 2017 |
Sep. 30, 2023 |
Mar. 31, 2023 |
Oct. 11, 2022 |
Sep. 30, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|
| The Business [Member] | ||||||||||
| Proceeds from Divestiture of Businesses | $ 250,000 | |||||||||
| Disposal Group, Including Discontinued Operation, Consideration Receivable Within 60 Days After Closing Date | $ 500,000 | |||||||||
| Sale of Assets to Cardinal Health 414 [Member] | ||||||||||
| Proceeds from Sale of Productive Assets | $ 7,500,000 | $ 6,000,000.0 | $ 80,600,000 | |||||||
| API Development Funding and Access Agreement [Member] | ||||||||||
| Development Agreement, Reimbursement Amount | $ 1,850,000 | |||||||||
| Development Agreement, Reimbursement Proceeds | $ 800,000 | |||||||||
| CRG Loan Agreement, Texas Case [Member] | ||||||||||
| Litigation Settlement, Amount Awarded to Other Party | $ 2,600,000 | |||||||||
| Loss Contingencies, Interest Rate | 5.00% | 18.00% | 5.00% | 18.00% | ||||||
| Loss Contingency Accrual | $ 2,711,806 |
| X | ||||||||||
- Definition The reimbursement amount under development agreement. No definition available.
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| X | ||||||||||
- Definition The amount of reimbursement proceeds from development agreement. No definition available.
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| X | ||||||||||
- Definition Amount of cash consideration receivable within 60 days after closing date for the disposal of assets and liabilities, including discontinued operation. No definition available.
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| X | ||||||||||
- Definition The interest rate for loss contingencies. No definition available.
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| X | ||||||||||
- Definition Amount awarded to other party in judgment or settlement of litigation. No definition available.
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| X | ||||||||||
- Definition Amount of loss contingency liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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