Geographical Data (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Domestic and Foreign Operations
Net Sales	$ 114,035	$ 101,359	$ 102,932
Identifiable assets	122,551	104,498
United States [Member]
Domestic and Foreign Operations
Net Sales	112,618	99,496	100,716
Identifiable assets	90,941	68,520
Foreign
Domestic and Foreign Operations
Net Sales	1,417	1,863	$ 2,216
Dominican Republic [Member]
Domestic and Foreign Operations
Identifiable assets	$ 31,610	$ 35,978