5. Stockholders Equity (Details - Unrecognized expense) $ in Thousands	9 Months Ended
Mar. 31, 2018 USD ($)
Unrecognized share-based compensation expense	$ 2,221
Stock Options [Member]
Unrecognized share-based compensation expense	$ 1,762
Weighted average years to recognize	2 years 8 months 12 days
Restricted Stock Units (RSUs) [Member]
Unrecognized share-based compensation expense	$ 236
Weighted average years to recognize	1 year
ESPP [Member]
Unrecognized share-based compensation expense	$ 223
Weighted average years to recognize	1 year 6 months

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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