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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