Stockholders' Equity (Detail) - shares	Jun. 30, 2022	Dec. 31, 2021
Equity [Abstract]
Shares reserved for issuance for outstanding options	6,132,561	6,596,969
Shares reserved for issuance for outstanding restricted stock units	1,471,223	764,871
Shares reserved for issuance for future grants	11,187,149	5,644,691
Total shares of authorized common stock reserved for future issuance	18,790,933	13,006,531