Stockholder's Equity - Summary of Reserved Shares of Common Stock for Future Issuances (Detail) - shares	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	15,606,226	9,830,230
CBAYEquity incentive plan two thousand and thirteen [Member]
Class of Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	1,588,613	167,159
CBAYEquity incentive plan two thousand and twenty plan [Member]
Class of Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	0	750,000
Options and Incentive awards [Member]
Class of Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	10,892,613	8,913,071
Prefunded warrants [Member]
Class of Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance	3,125,000	0