5. Stockholders Equity (Details - Option activity) - Stock Options [Member] shares in Thousands	9 Months Ended
	Mar. 31, 2018 $ / shares shares
Number of shares
Number of Shares Options Outstanding, Beginning | shares	4,184
Number of Shares Options Granted | shares	929
Number of Shares Options Forfeited | shares	(177)
Number of Shares Options Expired | shares	(309)
Number of Shares Options Exercised | shares	(203)
Number of Shares Options Outstanding, Ending | shares	4,424
Weighted Average Exercise Price per share
Exercise Price Outstanding, Beginning | $ / shares	$ 1.78
Exercise Price Granted | $ / shares	2.15
Exercise Price Forfeited | $ / shares	1.70
Exercise Price Expired | $ / shares	3.70
Exercise Price Exercised | $ / shares	1.67
Exercise Price Outstanding, Ending | $ / shares	$ 1.73