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5. STOCK-BASED COMPENSATION (Details - Option activity) - Stock Options [Member]	9 Months Ended
	Mar. 31, 2021 $ / shares shares
Number of Shares
Options outstanding, beginning | shares	2,065,200
Options granted | shares	90,000
Options exercised | shares	(72,000)
Options cancelled | shares	(5,000)
Options outstanding, ending | shares	2,078,200
Weighted Average Exercise Price
Weighted average exercise price, beginning price | $ / shares	$ 0.95
Weighted average exercise price, granted | $ / shares	1.47
Weighted average exercise price, exercised | $ / shares	0.39
Weighted average exercise price, cancelled | $ / shares	1.30
Weighted average exercise price, ending price | $ / shares	$ 0.99
Weighted Average Contractual Life
Weighted Average Contractual Life, beginning	6 years 7 months 2 days
Weighted Average Contractual Life, ending	6 years 1 month 2 days

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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