Selected Consolidated Financial Statement Information - Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018
Accrued Expenses
Commissions	$ 5,753	$ 7,234
Salaries and bonus	2,976	6,624
Accrued vacation	3,718	3,557
Accrued excise, sales and other taxes	3,545	3,522
Legal settlement	1,855	1,847
Clinical studies	1,432	1,422
Other accrued expenses	2,729	1,570
Accrued expenses	$ 22,008	$ 25,776