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1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details - Revenues) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Revenues $ 2,514,984 $ 1,559,458 $ 6,804,169 $ 4,038,048
Engineering Design Services [Member]        
Revenues 409,728 511,898 1,313,543 1,283,534
Optical Components [Member]        
Revenues $ 1,416,244 $ 298,057 1,821,889 1,226,190
Medical Device Products and Assemblies [Member]        
Revenues     $ 3,668,737 $ 1,528,324