Annual report pursuant to Section 13 and 15(d)

Net Loss Per Share - Summary of Basic and Diluted Earnings Per Share (Detail)

v3.20.4
Net Loss Per Share - Summary of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Numerator:                      
Net loss $ (24,672) $ (36,645) $ (21,807) $ (15,469) $ (8,104) $ (4,714) $ (2,229) $ (4,851) $ (98,593) $ (19,898) $ (26,199)
Denominator:                      
Weighted Average Number of Shares Outstanding, Basic                 73,133 71,005 68,490
Dilutive common stock equivalents (shares)                 0 0 0
Weighted average common shares outstanding-diluted (shares)                 73,133 71,005 68,490
Net loss per share:                      
Basic (usd per share) $ (0.33) $ (0.50) $ (0.30) $ (0.21) $ (0.11) $ (0.07) $ (0.03) $ (0.07) $ (1.35) $ (0.28) $ (0.38)
Diluted (usd per share) $ (0.33) $ (0.50) $ (0.30) $ (0.21) $ (0.11) $ (0.07) $ (0.03) $ (0.07) $ (1.35) $ (0.28) $ (0.38)