15. STOCK OPTIONS AND WARRANTS (Details-Warrant Activity) - Warrants [Member] - $ / shares	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Number of Warrants
Number of Warrants Outstanding, Beginning	5,781,900	28,196,822
Number of Warrants Granted	0	4,416,667
Number of Warrants Exercised	0	0
Number of Warrants Forfeited	0	0
Number of Warrants Expired	(645,067)	(26,831,589)
Number of Warrants Outstanding, Ending	6,717,950	5,781,900
Number of Warrants Exercisable, Ending	6,717,950
Weighted Average Exercise Price
Weighted Average Exercise Price Outstanding, Beginning	$ 0.17	$ 0.17
Weighted Average Exercise Price Granted	0.21	0.15
Weighted Average Exercise Price Exercised
Weighted Average Exercise Price Forfeited
Weighted Average Exercise Price Expired	0.25	0.16
Weighted Average Exercise Price Outstanding, Ending	0.17	$ 0.17
Weighted Average Exercise Price Exercisable	0.17
Weighted average grant date fair value	$ 0.13

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Number of Warrants Exercisable, Ending

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Warrants - Weighted Average Exercise Price Exercisable

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Warrants - Weighted Average Exercise Price Exercised

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Warrants - Weighted Average Exercise Price Expired

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Warrants Weighted Average Exercise Price Forfeited

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Weighted average exercise price of warrants [Abstract]

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Exercise price per share or per unit 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)(4))
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Number of warrants or rights outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

Number of non-option equity instruments exercised by participants.

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-Name Accounting Standards Codification
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Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

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-Name Accounting Standards Codification
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