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Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total 26,590,918 71,873,112 26,590,918 40,451,678
Commonstock Purchase Warrants [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total 1,750,843 603,576 1,750,843 1,147,844
Convertible Preferred Shares [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total 64,355,375 32,405,688
Stock Options [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total 16,630,240 6,377,997 16,630,240 6,361,982
Unvested Restricted Stock Units [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total 1,243,757 1,243,757
Convertible Debt Securities [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Total 6,966,078 536,164 6,966,078 536,164