PROPERTY, PLANT, AND EQUIPMENT - Schedule of Property, Plant, and Equipment - Net (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Property, plant and equipment - net
Total property, plant, and equipment	$ 53,942	$ 40,762
Less accumulated depreciation	(20,306)	(18,497)
Property, plant, and equipment — net	33,636	22,265
Land and improvements
Property, plant and equipment - net
Total property, plant, and equipment	1,901	1,725
Buildings and improvements
Property, plant and equipment - net
Total property, plant, and equipment	15,652	11,960
Machinery and equipment
Property, plant and equipment - net
Total property, plant, and equipment	29,804	22,570
Furniture and fixtures
Property, plant and equipment - net
Total property, plant, and equipment	1,719	943
Construction in progress
Property, plant and equipment - net
Total property, plant, and equipment	$ 4,866	$ 3,564