REVENUE RECOGNITION (Details - Revenue) - USD ($)	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ 4,197,053	$ 4,321,255
Engineering Design Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,851,371	1,900,999
Optical Components [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,080,188	1,903,311
Medical Device Products And Assemblies [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 265,494	$ 516,945