14. Fair Value Disclosures (Details - Changes to fair value measurement Level 3) - Liability [Member] - Fair Value, Inputs, Level 3 [Member] - Fair Value, Recurring [Member] - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Series A Embedded Derivative Liability [Member]
Derivative liability, beginning balance	$ 17,974	$ 0
Issuance of warrants	0	21,232
Remeasurement to fair value	8,754	(3,258)
Derviative liability, ending balance	26,728	17,974
Series B Warrants Liability [Member]
Derivative liability, beginning balance	0	0
Issuance of warrants	4,600	0
Remeasurement to fair value	47,741	0
Derviative liability, ending balance	$ 52,341	$ 0

Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Paragraph 2
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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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