Note 5 - Property, Plant and Equipment (Tables)

3 Months Ended

Sep. 30, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

	September 30,			June 30,
	2022			2022
Plant and equipment	$	1,744,087		$	1,905,921
Furniture and office equipment		244,949			254,616
Land and building		555,559			590,662
Vehicles		338,611			363,295
Solar energy system		125,911			138,030
Total property, plant and equipment, gross		3,009,117			3,252,524
Accumulated depreciation		(1,755,746	)		(1,860,630	)
Total property, plant and equipment, net	$	1,253,371		$	1,391,894