4. STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of stock-based compensation expense

The following table summarizes stock-based compensation expense 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
Cost of Goods Sold	$	11,233	$	–	$	33,699	$	–
Research and Development		21,346		2,411		46,714		7,233
Selling, General and Administrative		42,988		480		346,365		348,870
Stock Based Compensation Expense	$	75,567	$	2,891	$	426,778	$	356,103

Stock option activity

The following tables summarize stock option activity for the nine months ended March 31, 2020:

	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		315,000
Exercised		(47,500	)
Expired or Cancelled		(14,200	)
Outstanding at March 31, 2020		2,072,800		$	0.95		6.82 years

Stock options outstanding by exercise price range

Information related to the stock options outstanding as of March 31, 2020 is as follows:

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		1.29	$	0.27		40,000	$	0.27
$	0.48		60,000		6.00	$	0.48		60,000	$	0.48
$	0.50		100,000		5.22	$	0.50		100,000	$	0.50
$	0.55		44,000		3.96	$	0.55		44,000	$	0.55
$	0.70		100,000		8.35	$	0.70		100,000	$	0.70
$	0.73		786,000		6.56	$	0.73		786,000	$	0.73
$	0.85		6,000		2.76	$	0.85		6,000	$	0.85
$	0.90		36,000		4.19	$	0.90		36,000	$	0.90
$	1.20		207,800		1.92	$	1.20		207,800	$	1.20
$	1.25		45,000		1.25	$	1.25		-	$	-
$	1.30		478,000		9.20	$	1.30		-	$	-
$	1.42		100,000		9.45	$	1.42		-	$	-
$	1.50		70,000		9.96	$	1.50		70,000	$	1.50
$	0.27–$1.50		2,072,800		6.82	$	0.95		1,449,800	$	0.79