REVENUE RECOGNITION (Tables)

9 Months Ended

Mar. 31, 2024

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenues

	Three Months Ended March 31,				Nine Months Ended March 31,
	2024		2023		2024		2023
Engineering Design Services	$	2,274,679	$	1,400,780	$	6,440,895	$	4,745,358
Optical Components		2,402,622		2,609,983		6,285,808		7,842,804
Medical Device Products and Assemblies		565,278		1,037,302		1,661,420		2,832,165
Technology Rights		–		–		–		600,000
Total Revenues	$	5,242,579	$	5,048,065	$	14,388,123	$	16,020,327

Schedule of contract liabilities

	Three Months Ended March 31,						Nine Months Ended March 31,
	2024			2023			2024			2023
Contract liabilities, beginning of period	$	1,158,242		$	794,981		$	1,174,690		$	905,113
Unearned revenue received from customers		625,913			1,020,669			1,331,604			1,917,755
Revenue recognized		(319,230	)		(427,844	)		(1,041,369	)		(1,435,082	)
Contract liabilities, end of period	$	1,464,925		$	1,387,806		$	1,464,925		$	1,387,806