Revenue Recognition and Accounts Receivables - Summary of Revenues (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Revenues	$ 12,052	$ 13,243	$ 52,169	$ 52,850
Total Expenses		13,342	54,163	57,360
Accounting Standards Update 2014-09 [Member] | Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Revenues		13,363	52,872	53,288
Cost of goods sold		4,458	18,529	19,917
Total Expenses		13,462	54,866	57,798
Accounting Standards Update 2014-09 [Member] | Adjustment for Bad Debts of Pharmacy Segment [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Revenues		(120)	(703)	(438)
Cost of goods sold		0	0	0
Total Expenses		(120)	(703)	(438)
Product [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Cost of goods sold	$ 3,917	$ 4,458	$ 18,529	$ 19,917