Property, Plant and Equipment (Tables)

6 Months Ended

Nov. 30, 2020

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

A summary of property, plant and equipment is as follows:

	November 30, 2020			May 31, 2020
Production machinery and equipment	$	51,262,623		$	51,637,883
Plant buildings and land		6,931,302			6,881,326
Leasehold improvements		1,428,281			1,323,535
Furniture and fixtures		601,586			601,586
		60,223,792			60,444,330
Less: Accumulated depreciation and amortization		(27,795,521	)		(26,301,923	)
Net Property, Plant and Equipment	$	32,428,271		$	34,142,407