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12. STOCK OPTIONS AND WARRANTS (Details - Warrants) - Warrants [Member]	6 Months Ended
	Jun. 30, 2019 shares
Warrants outstanding, beginning balance	134,359
Warrants expired	(3,467)
Warrants outstanding, ending balance	2,540,892
Underwriter Warrants [Member]
Warrants issued	100,000
Public Offering [Member]
Warrants issued	2,300,000
Over-Allotment Option [Member]
Warrants issued	10,000

X

- Definition

Warrants expired, shares

+ References

No definition available.

+ Details

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- Definition

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+ References

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- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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