Property, Plant and Equipment (Tables)

9 Months Ended

Feb. 28, 2021

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

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

	February 28, 2021			May 31, 2020
Production machinery and equipment	$	51,617,534		$	51,637,883
Plant buildings and land		6,955,699			6,881,326
Leasehold improvements		1,487,398			1,323,535
Furniture and fixtures		601,586			601,586
		60,662,217			60,444,330
Less: Accumulated depreciation and amortization		(28,885,408	)		(26,301,923	)
Net Property, Plant and Equipment	$	31,776,809		$	34,142,407