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v3.21.1

Fair Value Measurements - Schedule of Changes in the Fair Value of Warrant Liabilities (Details Narrative) - USD ($) | 1 Months Ended | 3 Months Ended | 4 Months Ended | 6 Months Ended | 7 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Sep. 30, 2019 | Jun. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2020 | Dec. 31, 2020
Beginning balance |  | $ 17,661,000 | $ 9,037,000 | $ 15,962,000 |  |  | $ 15,962,000 |  | $ 15,962,000 | $ 15,962,000
Initial measurement |  |  |  |  |  |  |  | 12,909,000 |  |
Changes in fair value | $ 4,514,000 | 3,696,000 | 8,624,000 | (6,925,000) | $ 176,000 | 176,000 | 1,699,000 | 3,053,000 | 5,395,000 | 52,152,000
Ending balance | $ 13,085,000 | $ 21,357,000 | $ 17,661,000 | 9,037,000 | $ 13,085,000 | 13,085,000 | 17,661,000 | 15,962,000 | 21,357,000 | 68,114,000
Public Warrant [Member] |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 10,350,000 |  |  | 10,350,000 |  | 10,350,000 | 10,350,000
Initial measurement |  |  |  |  |  |  |  | 8,395,000 |  |
Changes in fair value |  |  |  |  |  |  |  | 1,955,000 |  | 33,120,000
Ending balance |  |  |  |  |  |  |  | 10,350,000 |  | 43,470,000
Private Placement Warrant [Member] |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | $ 5,612,000 |  |  | $ 5,612,000 |  | $ 5,612,000 | 5,612,000
Initial measurement |  |  |  |  |  |  |  | 4,514,000 |  |
Changes in fair value |  |  |  |  |  |  |  | 1,098,000 |  | 19,032,000
Ending balance |  |  |  |  |  |  |  | $ 5,612,000 |  | $ 24,644,000

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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: 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=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 25 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875 + Details
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