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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
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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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