Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Common Share (Details)

v3.21.2
Net Loss Per Common Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Basic and diluted net loss per common share calculation:                
Net loss $ (13,771) $ (14,022) $ (9,842) $ (5,551) $ (6,222) $ (5,725) $ (37,635) $ (17,498)
Weighted average common shares outstanding, basic (in shares) 164,510,570     144,335,143     162,811,136 117,420,221
Weighted average common shares outstanding, diluted (in shares) 164,510,570     144,335,143     162,811,136 117,420,221
Net loss per share of common stock, basic (in dollars per share) $ (0.08)     $ (0.04)     $ (0.23) $ (0.15)
Net loss per share of common stock, diluted (in dollars per share) $ (0.08)     $ (0.04)     $ (0.23) $ (0.15)
Outstanding securities excluded from computation of diluted weighted shares outstanding (in shares)             14,880,484 11,152,764
Employee Stock Option                
Basic and diluted net loss per common share calculation:                
Outstanding securities excluded from computation of diluted weighted shares outstanding (in shares)             11,553,876 7,848,738
Restricted Stock Units                
Basic and diluted net loss per common share calculation:                
Outstanding securities excluded from computation of diluted weighted shares outstanding (in shares)             3,031,017 3,008,435
Warrants                
Basic and diluted net loss per common share calculation:                
Outstanding securities excluded from computation of diluted weighted shares outstanding (in shares)             295,591 295,591