Quarterly report pursuant to Section 13 or 15(d)

NET LOSS PER SHARE - Antidilutive Shares (Details)

v3.20.2
NET LOSS PER SHARE - Antidilutive Shares (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares 26,155,000 25,890,000 26,155,000 25,890,000
Stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares 21,155,000 18,640,000 21,155,000 18,640,000
Performance stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares 5,000,000 7,250,000 5,000,000 7,250,000
Unvested stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares 8,000,000 10,750,000 8,000,000 10,750,000