Property, Plant and Equipment (Tables)

12 Months Ended

Jun. 30, 2020

Property, Plant and Equipment [Abstract]

Summary of the original cost of property, plant and equipment

Property, plant and equipment at June 30, 2020 and 2019 is as follows:

	2020			2019
Land	$	45,000		$	45,000
Building and improvements		4,387,113			4,591,429
Machinery and equipment		11,118,670			11,156,006
Furniture and fixtures		164,200			170,120
		15,714,983			15,962,555
Accumulated depreciation		(12,248,205	)		(12,137,144	)
Property, plant and equipment, net	$	3,466,778		$	3,825,411