1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (June 2019 note) (Tables)

9 Months Ended

12 Months Ended

Mar. 31, 2020

Jun. 30, 2019

Accounting Policies [Abstract]

Disaggregation of revenue

Revenues are comprised of the following for the three and nine months ended March 31, 2020 and 2019:

	Three Months Ended March 31,				Nine Months Ended March 31,
	2020		2019		2020		2019
Engineering Design Services	$	210,065	$	61,833	$	1,098,234	$	892,472
Optical Components		1,479,322		250,405		4,428,409		774,429
Medical Device Products and Assemblies		685,197		1,074,216		2,159,687		2,756,862
Total Revenues	$	2,374,584	$	1,386,454	$	7,686,330	$	4,423,763

	2019		2018
Engineering Design Services	$	1,313,543	$	1,283,534
Optical Components		1,821,889		1,226,190
Medical Device Products and Assemblies		3,668,737		1,528,324
Total Revenues	$	6,804,169	$	4,038,048

Schedule of Inventory

Inventories are stated at the lower of cost (first-in, first-out) and net realizable value and consisted of the following:

	March 31, 2020		June 30, 2019
Raw Materials	$	651,939	$	578,856
Work-In-Progress		743,100		409,019
Finished Goods		772,484		746,729
Total Inventories	$	2,167,523	$	1,734,604

	2019		2018
Raw material	$	578,856	$	500,908
Work-in-progress		409,019		434,536
Finished goods		746,729		208,624
	$	1,734,604	$	1,144,068

Estimated Useful Lives of Property and Equipment

Asset Classification	Estimated Useful Life
Machinery and equipment	2-7 years
Leasehold improvements	Shorter of lease term or estimated useful life
Furniture and fixtures	5 years
Vehicles	3 years

Percent schedule of entity wide revenues by percentage

	2019		2018
Customer A		8%		16%
Customer B		6%		14%
Customer C		18%		8%
Customer D		13%		5%
Customer E		11%		4%
All Others		44%		53%
		100%		100%

Schedule of earnings per share

The following is the calculation of loss per share for the three and nine months ended March 31, 2020 and 2019:

	Three Months Ended March 31,						Nine Months Ended March 31,
	2020			2019			2020			2019
Net Loss - Basic and Diluted	$	(466,130	)	$	(80,483	)	$	(1,103,065	)	$	(505,716	)
Basic and Dilutive Weighted Average Shares Outstanding		12,982,494			12,020,328			12,898,004			11,294,902
Loss Per Share - Basic and Diluted	$	(0.04	)	$	(0.01	)	$	(0.09	)	$	(0.04	)

	Year Ended June 30
	2019			2018
Net Loss– Basic and Diluted	$	(614,871	)	$	(351,390	)
Basic Weighted Average Shares Outstanding		11,486,079			9,826,151
Potentially Dilutive Securities		–			–
Diluted Weighted Average Shares Outstanding		11,486,079			9,826,151
Loss Per Share
Basic	$	(0.05	)	$	(0.04	)
Diluted	$	(0.05	)	$	(0.04	)

Warranty reserve activity

	2019			2018
Balance at beginning of period	$	25,000		$	25,000
Provision for warranty claims		5,791			6,109
Warranty claims incurred		(5,791	)		(6,109	)
Balance at end of period	$	25,000		$	25,000