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4. STOCK-BASED COMPENSATION (Details - Stock based compensation) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Stock based compensation expense	$ 2,891	$ 8,974	$ 356,103	$ 42,002
Cost of Goods Sold [Member]
Stock based compensation expense	0	0	0	8,669
Research and Development Expenses [Member]
Stock based compensation expense	2,411	2,323	7,233	9,335
Selling, General and Administrative Expenses [Member]
Stock based compensation expense	$ 480	$ 6,651	$ 348,870	$ 23,998

X

- Definition

Amount of noncash expense for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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