Summary of Significant Accounting Policies - Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)
Medical Indication Information
Contract manufacturing revenue	$ 8,024	$ 2,271	$ 13,088	$ 2,271
Total	170,944	127,059	$ 332,503	233,492
Segment information
Number of Reportable Segments | segment			1
Antibiotic
Medical Indication Information
Net sales	4,792	2,828	$ 8,572	5,556
Anti Psychosis
Medical Indication Information
Net sales	15,365	730	32,685	3,472
Cardiovascular
Medical Indication Information
Net sales	11,975	13,082	24,669	21,385
Central Nervous System
Medical Indication Information
Net sales	10,555	6,077	20,904	6,077
Gallstone
Medical Indication Information
Net sales	13,425	18,719	26,308	38,691
Gastrointestinal
Medical Indication Information
Net sales	18,977	8,617	37,029	8,693
Glaucoma
Medical Indication Information
Net sales	5,311	6,543	11,095	13,365
Migraine Headache
Medical Indication Information
Net sales	7,863	5,705	15,023	11,247
Muscle Relaxant
Medical Indication Information
Net sales	3,004	1,393	6,536	3,054
Obesity
Medical Indication Information
Net sales	960	851	1,795	1,830
Pain Management
Medical Indication Information
Net sales	7,439	8,074	14,047	16,207
Respiratory
Medical Indication Information
Net sales	2,957	1,396	5,170	1,396
Thyroid Deficiency
Medical Indication Information
Net sales	45,431	37,432	85,269	78,534
Urinary
Medical Indication Information
Net sales	4,693	3,378	9,794	3,593
Other
Medical Indication Information
Net sales	$ 10,173	$ 9,963	$ 20,519	$ 18,121