Note 4 - Property, Plant and Equipment (Tables)

6 Months Ended

Nov. 30, 2023

Notes Tables

Property, Plant and Equipment [Table Text Block]

	November 30, 2023			May 31, 2023
Production machinery and equipment	$	67,506,545		$	66,068,625
Plant buildings and land		2,364,089			2,364,089
Leasehold improvements		1,632,363			1,553,138
Furniture and fixtures		542,057			542,057
		72,045,054			70,527,909
Less: Accumulated depreciation and amortization		(40,171,754	)		(37,343,203	)
Net Property, Plant and Equipment	$	31,873,300		$	33,184,706