3. Business Combination (Details - Intangible asset valuation) - Maestro Wireless Solutions [Member] $ in Thousands	Jul. 05, 2019 USD ($)
Asset Fair Value	$ 1,910
Developed Technology [Member]
Asset Fair Value	$ 1,530
Weighted Average Useful Life (years)	5 years
Customer Relationships [Member]
Asset Fair Value	$ 100
Weighted Average Useful Life (years)	2 years
Order Backlog [Member]
Asset Fair Value	$ 110
Weighted Average Useful Life (years)	1 year
Noncompete Agreements [Member]
Asset Fair Value	$ 30
Weighted Average Useful Life (years)	2 years
Trade Names [Member]
Asset Fair Value	$ 140
Weighted Average Useful Life (years)	1 year

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration