Property, Plant and Equipment (Tables)

12 Months Ended

Jun. 30, 2022

Property, Plant and Equipment [Abstract]

Summary of the original cost of property, plant and equipment

Property, plant and equipment at June 30, 2022 and 2021 is as follows:

	2022			2021
Land	$	45,000		$	45,000
Building and improvements		4,450,399			4,387,113
Machinery and equipment		11,287,648			11,121,960
Furniture and fixtures		164,200			164,200
		15,947,247			15,718,273
Accumulated depreciation		(13,149,254	)		(12,727,754	)
Property, plant and equipment, net	$	2,797,993		$	2,990,519