Property And Equipment (Summary Of Property And Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Property And Equipment [Abstract]
Building and land	$ 7,874	$ 7,788
Machinery and equipment	15,288	16,414
Furniture and fixtures	1,062	1,054
Gross Property and Equipment	24,224	25,256
Less - Accumulated depreciation	(16,859)	(17,879)
Property and Equipment, Net	$ 7,365	$ 7,377