Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Common Share (Details)

v3.20.2
Net Loss Per Common Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Basic and diluted net loss per common share calculation:            
Net loss $ (6,222) $ (5,725) $ (4,691) $ (5,169) $ (11,947) $ (9,860)
Net loss attributable to common stockholders $ (6,222)   $ (4,691)   $ (11,947) $ (9,860)
Weighted average common shares outstanding (in shares) 111,297,428   92,414,644   103,814,876 90,665,684
Net loss per share of common stock, basic and diluted (in dollars per share) $ (0.06)   $ (0.05)   $ (0.12) $ (0.11)
Outstanding securities excluded from computation of diluted weighted shares outstanding (in shares)         11,677,904 9,173,614
Employee Stock Option            
Basic and diluted net loss per common share calculation:            
Outstanding securities excluded from computation of diluted weighted shares outstanding (in shares)         8,046,378 7,368,023
Restricted Stock Units            
Basic and diluted net loss per common share calculation:            
Outstanding securities excluded from computation of diluted weighted shares outstanding (in shares)         3,008,435 1,182,500
Warrants            
Basic and diluted net loss per common share calculation:            
Outstanding securities excluded from computation of diluted weighted shares outstanding (in shares)         623,091 623,091