Summary of Significant Accounting Policies - Segments (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($)
Medical Indication Information
Number of reportable segments | segment	1
Total net sales	$ 101,525	$ 126,479
Analgesic
Medical Indication Information
Total net sales	5,314	3,120
Anti-Psychosis
Medical Indication Information
Total net sales	3,715	13,028
Cardiovascular
Medical Indication Information
Total net sales	14,100	19,714
Central Nervous System
Medical Indication Information
Total net sales	22,785	22,525
Endocrinology
Medical Indication Information
Total net sales	7,845	3,233
Gastrointestinal
Medical Indication Information
Total net sales	15,240	17,100
Infectious Disease
Medical Indication Information
Total net sales	12,515	21,932
Migraine
Medical Indication Information
Total net sales	4,685	9,690
Respiratory/Allergy/Cough/Cold
Medical Indication Information
Total net sales	3,114	1,426
Urinary
Medical Indication Information
Total net sales	1,176	1,458
Other
Medical Indication Information
Total net sales	9,176	7,634
Contract manufacturing revenue
Medical Indication Information
Total net sales	$ 1,860	$ 5,619