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Note 2 - Significant Accounting Policies (Details Textual) $ in Thousands |  |  |  |  | 1 Months Ended | 4 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 03, 2024 USD ($) | Feb. 01, 2024 USD ($) | Sep. 30, 2022 USD ($) | Dec. 23, 2021 | Jul. 31, 2024 USD ($) | Feb. 29, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($)
Number of Operating Segments |  |  |  |  |  |  |  | 1 |
Percentage of Royalty Receivable on Sale of Product Rights |  |  |  | 30.00% |  |  |  |  |
Percentage Of Interest Earned on Outstanding Contract Royalty Asset |  |  |  | 11.00% |  |  |  |  |
Payments of Debt Restructuring Costs |  |  |  |  |  |  |  | $ 21,179 | $ (0)
The Credit and Guaranty Agreement [Member] | Initial Term Loan [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 67,100 |  |  |  |  |  |  |  |
Conversion of 2026 Notes into New Term Loans [Member] |  |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Premium | 29,800 |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount | 118,100 |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt | 88,300 |  |  |  |  |  |  |  |
Payments of Debt Restructuring Costs | $ 21,200 |  |  |  | $ 600 |  | $ 21,200 |  |
DRI Healthcare Acquisition LP [Member] |  |  |  |  |  |  |  |  |
Proceeds From Royalty Obligation |  | $ 115,500 | $ 125,000 |  |  | $ 115,500 |  |  |
Royalty Interest Rate |  | 10.27% |  |  |  | 10.27% |  |  |

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