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3. STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock-based compensation expense

		2018				2017
Cost of Goods Sold		$	8,669			$	34,676
Research and Development Expenses			15,423				31,952
Selling, General and Administrative Expenses			28,249				134,984
Stock Based Compensation Expense		$	52,341			$	201,612

Assumptions for fair value of options granted

		Year Ended
		June 30, 2018
Assumptions:
Option life			5.3 years
Risk-free interest rate			1.01	%
Stock volatility			171	%
Dividend yield			0
Weighted average fair value of grants		$	0.58

Stock option activity

		Options Outstanding
		Number of Shares				Weighted Average Exercise Price				Weighted Average Contractual Life
Outstanding at July 1, 2016			1,136,000			$	0.79			8.00 years
Grants			15,000			$	0.40
Cancellations			(72,600	)		$	0.85
Outstanding at June 30, 2017			1,078,400			$	0.78			7.01 years
Grants			40,000			$	0.61
Cancellations			(62,700	)		$	0.99
Outstanding at June 30, 2018			1,055,700			$	0.76			6.13 years

Stock options outstanding by exercise price ranges

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				3.04			$	0.27				40,000			$	0.27
$	0.40				15,000				8.83			$	0.40				10,000			$	0.40
$	0.48				60,000				7.75			$	0.48				60,000			$	0.48
$	0.50				100,000				7.98			$	0.50				100,000			$	0.50
$	0.55				44,500				5.69			$	0.55				34,500			$	0.55
$	0.64				25,000				9.37			$	0.64				15,000			$	0.64
$	0.73				513,000				6.88			$	0.73				493,000			$	0.73
$	0.85				9,000				4.51			$	0.85				9,000			$	0.85
$	0.90				9,000				5.51			$	0.90				9,000			$	0.90
$	0.95				30,000				6.03			$	0.95				30,000			$	0.95
$	1.20				207,800				3.67			$	1.20				207,800			$	1.20
$	1.25				1,200				0.41			$	1.25				1,200			$	1.25
$	1.35				1,200				1.40			$	1.35				1,200			$	1.35
$	0.27–1.35				1,055,700				6.13			$	0.76				1,010,700			$	0.77

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Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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