Revenue from Contracts with Customers (Summary of Revenue Disaggregated by Timing of Recognition) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Disaggregation Of Revenue [Line Items]
Net Sales	$ 62,262	$ 76,822
Goods Transferred At a Point of Time [Member]
Disaggregation Of Revenue [Line Items]
Net Sales	41,784	57,784
Services Transferred Over Time [Member]
Disaggregation Of Revenue [Line Items]
Net Sales	$ 20,478	$ 19,038