STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of stock-based compensation expense

	Three Months Ended September 30,
	2021		2020
Cost of Goods Sold	$	28,415	$	11,233
Research and Development Expenses		43,489		16,925
Selling, General and Administrative Expenses		88,167		42,988
	$	160,071	$	71,146

Stock option activity

	Options Outstanding
	Number of Shares			Weighted Average Exercise Price	Weighted Average Contractual Life
Outstanding at June 30, 2021	2,578,200		$	1.13	6.73 years
Cancelled	(15,000	)	$	1.80
Outstanding at September 30, 2021	2,563,200		$	1.13	6.46 years

Stock options outstanding by exercise price range

Range of Exercise Prices		Number of Shares		Weighted- Average Remaining Contractual Life (years)		Weighted- Average Exercise Price		Exercisable Number of Shares		Exercisable Weighted- Average Exercise Price
$	0.48		60,000		4.50	$	0.48		60,000	$	0.48
$	0.50		80,000		4.72	$	0.50		80,000	$	0.50
$	0.55		40,000		2.67	$	0.55		40,000	$	0.55
$	0.70		100,000		6.84	$	0.70		100,000	$	0.70
$	0.73		758,000		5.09	$	0.73		758,000	$	0.73
$	0.85		6,000		1.26	$	0.85		6,000	$	0.85
$	0.90		36,000		2.69	$	0.90		36,000	$	0.90
$	1.20		200,200		0.42	$	1.20		200,200	$	1.20
$	1.25		45,000		8.47	$	1.25		15,000	$	1.25
$	1.30		453,000		7.70	$	1.30		266,522	$	1.30
$	1.40		70,000		9.13	$	1.40		70,000	$	1.40
$	1.42		100,000		7.95	$	1.42		66,667	$	1.42
$	1.45		5,000		9.44	$	1.45		–	$	–
$	1.50		70,000		8.19	$	1.50		70,000	$	1.50
$	1.68		540,000		9.68	$	1.68		270,000	$	1.68
	0.48–1.68		2,563,200		6.46	$	1.13		2,038,389	$	1.13