Summary of Significant Accounting Policies (Warranty Reserve) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Product Warranty Liability [Line Items]
Pump replacement charges	$ 2,997
Movement in Standard Product Warranty Accrual [Roll Forward]
Standard Product Warranty Accrual	1,379	$ 2,770	$ 109
Provision	625	557
Pump upgrade program	(1,321)	2,632
Claims	(695)	(528)
Standard Product Warranty Accrual	1,379	2,770
Other Liabilities
Product Warranty Liability [Line Items]
Warranty liability	755	1,804
Accrued Expenses
Product Warranty Liability [Line Items]
Warranty liability	$ 624	$ 966