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Stockholders' Equity/ (Deficit) - Summary of Outstanding Warrants Activity (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2020
USD ($)
$ / shares
shares
Equity [Abstract]  
Number of Warrants Outstanding, Beginning Balance 200,007
Number of Warrants Outstanding, Issued 9,538,526
Number of Warrants Outstanding, Exercised (7,003,005)
Number of Warrants Outstanding, Expired (200,000)
Number of Warrants Outstanding, Ending Balance 2,535,528
Number of Warrants Exercisable, Ending Balance 2,535,528
Weighted Average Exercise Price, Beginning Balance | $ / shares $ 13.31
Weighted Average Exercise Price, Issued | $ / shares 6.62
Weighted Average Exercise Price, Expired | $ / shares
Weighted Average Exercise Price, Ending Balance | $ / shares 8.22
Weighted Average Exercise Price, Ending Balance | $ / shares $ 8.22
Total Intrinsic Value, Beginning Balance | $
Total Intrinsic Value, Ending Balance | $ 50,560
Total Intrinsic Value, Warrants exercisable Ending Balance | $ $ 50,560
Weighted Average Remaining Contractual Life (in Years), Beginning Balance 2 months 12 days
Weighted Average Remaining Contractual Life (in Years), Granted 1 year 8 months 12 days
Weighted Average Remaining Contractual Life (in Years), Ending Balance 1 year
Weighted Average Remaining Contractual Life (in Years), Exercisable Ending Balance 1 year