5. Stockholders Equity (Details - Option activity) - Stock Options [Member]	9 Months Ended
	Mar. 31, 2017 $ / shares shares
Number of shares
Number of Shares Options Outstanding, Beginning | shares	3,606,000
Number of Shares Options Granted | shares	864,000
Number of Shares Options Forfeited | shares	(45,000)
Number of Shares Options Expired | shares	(74,000)
Number of Shares Options Exercised | shares	(99,000)
Number of Shares Options Outstanding, Ending | shares	4,252,000
Weighted Average Exercise Price per share
Exercise Price Outstanding, Beginning | $ / shares	$ 1.85
Exercise Price Granted | $ / shares	1.61
Exercise Price Forfeited | $ / shares	1.42
Exercise Price Expired | $ / shares	4.22
Exercise Price Exercised | $ / shares	1.85
Exercise Price Outstanding, Ending | $ / shares	$ 1.77