Note 7 - Intangible Assets (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Dec. 31, 2022 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Amortization Expense of Intangible Assets | $ 5,000 | $ 5,000 | |
| Impairment of Intangible Assets (Excluding Goodwill) | $ 0 | $ 5,600 | |
| Neos Therapeutics, Inc. [Member] | |||
| Impairment of Intangible Assets (Excluding Goodwill) | $ 2,600 | ||
| Rx Segment [Member] | Patented Technology [Member] | ADHD Portfolio [Member] | |||
| Finite-Lived Intangible Asset, Useful Life (Year) | 16 years | ||
| Tris Karbinal Agreement [Member] | |||
| Supply and Distribution Agreement, Extension Term (Year) | 20 years | ||
| Minimum [Member] | |||
| Finite-Lived Intangible Asset, Useful Life, Renewable Period (Year) | 1 year | ||
| Maximum [Member] | |||
| Finite-Lived Intangible Asset, Useful Life, Renewable Period (Year) | 20 years | ||