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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES : Changes to fair value measurement Level 3 (Details) - Liability [Member] - Fair Value, Inputs, Level 3 [Member] - Fair Value, Recurring [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Series A Embedded Derivative Liability [Member]
Customer Securities for which Entity has Right to Sell or Repledge (Including Securities Sold or Repledged) [Line Items]
Fair value ending balance	$ 17,974
Issuance of Series B warrants	0
Remeasurement to fair value	7,708
Fair value ending balance	25,682
Series B Warrants Liability [Member]
Customer Securities for which Entity has Right to Sell or Repledge (Including Securities Sold or Repledged) [Line Items]
Fair value ending balance	0
Issuance of Series B warrants	4,600
Remeasurement to fair value	38,196
Fair value ending balance	$ 42,796

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-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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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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