Note 5 - Property, Plant and Equipment (Tables)

9 Months Ended

Mar. 31, 2023

Notes Tables

Property, Plant and Equipment [Table Text Block]

	March 31,			June 30,
	2023			2022
Plant and equipment	$	1,957,622		$	1,905,921
Furniture and office equipment		276,975			254,616
Land and building		561,987			590,662
Vehicles		359,383			363,295
Solar energy system		138,731			138,030
Total property, plant and equipment, gross		3,294,698			3,252,524
Accumulated depreciation		(2,006,277	)		(1,860,630	)
Total property, plant and equipment, net	$	1,288,421		$	1,391,894