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7. Stockholders Equity (Details - ESPP activity) - ESPP [Member]
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Jun. 30, 2020
USD ($)
$ / shares
shares
Shares available for issuance, beginning balance 517
Shares issued (113)
Shares available for future issuance, ending balance 404
Weighted average purchase price per share | $ / shares $ 2.75
Intrinsic value of ESPP shares on purchase date | $ $ 57