4. STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Schedule of stock-based compensation expense

	Three Months Ended December 31,				Six Months Ended December 31,
	2019		2018		2019		2018
Cost of Goods Sold	$	11,233	$	–	$	22,466	$	–
Research and Development		12,683		2,411		25,368		4,822
Selling, General and Administrative		250,790		7,817		303,377		348,390
Stock Based Compensation Expense	$	274,706	$	10,228	$	351,211	$	353,212

Stock option activity

	Options Outstanding
	Number of Shares			Weighted Average Exercise Price	Weighted Average Contractual Life
Outstanding at June 30, 2019	1,819,500		$	0.87	7.05 years
Granted	270,000			–	–
Exercised	(27,500	)		–	–
Expired or Cancelled	(4,200	)		–	–
Outstanding at December 31, 2019	2,057,800		$	0.94	7.00 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
$	0.27		40,000		1.54	$	0.27		40,000	$	0.27
$	0.48		60,000		6.25	$	0.48		60,000	$	0.48
$	0.50		100,000		5.47	$	0.50		100,000	$	0.50
$	0.55		44,000		4.21	$	0.55		44,000	$	0.55
$	0.64		25,000		7.86	$	0.64		25,000	$	0.64
$	0.70		100,000		8.59	$	0.70		100,000	$	0.70
$	0.73		791,000		6.80	$	0.73		791,000	$	0.73
$	0.85		6,000		3.01	$	0.85		6,000	$	0.85
$	0.90		6,000		4.01	$	0.90		6,000	$	0.90
$	0.95		30,000		4.53	$	0.95		30,000	$	0.95
$	1.20		207,800		2.17	$	1.20		207,800	$	1.20
$	1.30		478,000		9.45	$	1.30		–	$	1.30
$	1.42		100,000		9.70	$	1.42		–	$	1.42
$	1.50		70,000		9.94	$	1.50		70,000	$	1.50
$	0.27–1.50		2,057,800		7.00	$	0.94		1,479,800	$	0.79