Summary of Significant Accounting Policies - Segments (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2022 USD ($) segment	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Medical Indication Information
Number of reportable segments | segment	1
Total net sales	$ 340,579	$ 478,778	$ 545,744
Analgesic
Medical Indication Information
Total net sales	15,737	14,684	8,680
Anti-Psychosis
Medical Indication Information
Total net sales	11,790	43,720	104,934
Cardiovascular
Medical Indication Information
Total net sales	45,376	65,987	88,576
Central Nervous System
Medical Indication Information
Total net sales	78,325	95,115	77,256
Endocrinology
Medical Indication Information
Total net sales	27,491	27,070
Gastrointestinal
Medical Indication Information
Total net sales	51,026	67,540	73,477
Infectious Disease
Medical Indication Information
Total net sales	28,009	67,761	73,237
Migraine
Medical Indication Information
Total net sales	16,321	25,554	44,266
Respiratory/Allergy/Cough/Cold
Medical Indication Information
Total net sales	8,961	9,258	11,576
Urinary
Medical Indication Information
Total net sales	4,588	5,786	4,225
Other
Medical Indication Information
Total net sales	41,285	35,312	35,013
Contract manufacturing revenue
Medical Indication Information
Total net sales	$ 11,670	$ 20,991	$ 24,504