Note 7 - Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Asset Impairment Charges		$ 0	$ 5,705
Goodwill			0
Amortization Expense of Intangible Assets		$ 6,500	$ 6,100
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Asset Impairment Charges
Impairment of Intangible Assets, Finite-Lived			$ 3,000
Neos Therapeutics, Inc. [Member]
Impairment of Intangible Assets, Finite-Lived	$ 2,600
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