REVENUE RECOGNITION (Details - Revenue) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Revenues	$ 4,185,968	$ 5,242,579	$ 12,909,928	$ 14,388,123
Engineering Design Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	924,792	2,274,679	3,980,155	6,440,895
Optical Components [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,934,999	2,402,622	8,000,344	6,285,808
Medical Device Products And Assemblies [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 326,177	$ 565,278	$ 929,429	$ 1,661,420