Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Common Stock Reserved for Future Issuance (Detail)

v3.20.1
Stockholders' Equity - Summary of Common Stock Reserved for Future Issuance (Detail) - shares
shares in Thousands
Dec. 31, 2019
Dec. 31, 2018
Equity [Abstract]    
Warrants to purchase common stock 13 13
Common stock options issued and outstanding 1,299 5,385
Common stock authorized for future option grants 3,951 844
RSUs outstanding 1,453 0
Common stock authorized for the ESPP 489 495
Total 7,205 6,737