Note 5 - Property, Plant and Equipment (Tables)

9 Months Ended

Feb. 28, 2026

Notes Tables

Property, Plant and Equipment [Table Text Block]

	February 28,			May 31,
	2026			2025
Production machinery and equipment	$	72,725,304		$	71,908,843
Plant buildings and land		3,930,207			3,930,207
Leasehold improvements		3,154,453			2,370,743
Furniture and fixtures		542,057			542,057
		80,352,021			78,751,850
Less: Accumulated depreciation and amortization		(53,151,589	)		(48,706,964	)
Net Property, Plant and Equipment	$	27,200,432		$	30,044,886