Quarterly report pursuant to Section 13 or 15(d)

Net Loss (Income) Per Share of Common Stock - Schedule of Computation of Basic and Diluted Loss Per Share for Common Stockholders (Detail)

v3.21.2
Net Loss (Income) Per Share of Common Stock - Schedule of Computation of Basic and Diluted Loss Per Share for Common Stockholders (Detail) - USD ($)
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
Earnings Per Share [Abstract]                
Net (loss) income – basic $ (5,292,000) $ (5,396,000) $ (5,195,000) $ 3,444,000 $ (17,617,000) $ (7,578,000) $ (15,883,000) $ (21,751,000)
Less: decrease in fair value of 2020 Warrants, net of tax       (8,826,913)        
Net loss – diluted $ (5,292,000)     $ (5,383,000)     $ (15,883,000) $ (21,751,000)
Shares used in computing basic net (loss) income per share 39,332,721     27,809,169     35,914,327 21,069,057
Plus: dilutive effect of 2020 Warrants       1,270        
Shares used in computing diluted net loss per share 39,332,721     29,079,107     35,914,327 21,069,057
Basic net (loss) income per share $ (0.13)     $ 0.12     $ (0.44) $ (1.03)
Diluted net loss per share $ (0.13)     $ (0.19)     $ (0.44) $ (1.03)