REVENUE RECOGNITION (Tables)

6 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation revenues

	Three Months Ended December 31,				Six Months Ended December 31,
	2023		2022		2023		2022
Engineering Design Services	$	2,265,217	$	1,701,611	$	4,166,216	$	3,344,578
Optical Components		1,979,875		2,580,140		3,883,186		5,232,821
Medical Device Products and Assemblies		579,197		1,005,210		1,096,142		1,794,863
Technology Rights		–		600,000		–		600,000
Total Revenues	$	4,824,289	$	5,886,961	$	9,145,544	$	10,972,262

Schedule of contract liabilities

	Three Months Ended December 31,						Six Months Ended December 31,
	2023			2022			2023			2022
Contract liabilities, beginning of period	$	1,424,983		$	1,032,891		$	1,174,690		$	905,113
Unearned revenue received from customers		272,572			441,493			705,691			897,106
Revenue recognized		(539,313	)		(679,403	)		(722,139	)		(1,007,238	)
Contract liabilities, end of period	$	1,158,242		$	794,981		$	1,158,242		$	794,981