Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of RSU Activity (Detail)

v3.20.1
Stockholders' Equity - Summary of RSU Activity (Detail) - Restricted Stock Units (RSUs) [Member]
shares in Thousands
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Total RSUs, Beginning balance | shares 0
Total RSUs, Granted | shares 1,600
Total RSUs, Forfeited | shares (147)
Total RSUs, Ending balance | shares 1,453
Weighted-Average Grant Date Fair Value per Share, Beginning balance | $ / shares $ 0
Weighted-Average Grant Date Fair Value per Share, Granted | $ / shares 0.31
Weighted-Average Grant Date Fair Value per Share, Forfeited | $ / shares 0.31
Weighted-Average Grant Date Fair Value per Share, Ending balance | $ / shares $ 0.31