2. SIGNIFICANT ACCOUNTING POLICIES (Details - Summary of activity related to patents) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Finite lived assets, net	$ 486,932	$ 537,960
Amortization expense	60,839	$ 51,028
Patents [Member] \| DPTI technology [Member]
Finite lived assets, cost	895,155
Accumulated amortization	(408,223)
Finite lived assets, net	486,932
Amortization expense	$ 51,028

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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Gross carrying amount before accumulated amortization as of the balance sheet date of the costs pertaining to the exclusive legal rights granted to the owner of the patent to exploit an invention or a process for a period of time specified by law. Such costs may have been expended to directly apply and receive patent rights, or to acquire such rights.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 2
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-Topic 350
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-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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