v3.24.0.1
Summary of Significant Accounting Policies - Summary of Net Loss Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Numerator:      
Net loss attributable to aTyr Pharma, Inc. $ (50,389) $ (45,338) $ (33,768)
Denominator:      
Shares used in computing net loss per share, basic 53,606,488 28,419,569 19,080,878
Shares used in computing net loss per share, diluted 53,606,488 28,419,569 19,080,878
Net loss per share - basic $ (0.94) $ (1.6) $ (1.77)
Net loss per share - diluted $ (0.94) $ (1.6) $ (1.77)