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Stockholders' Equity - Summary of Common Stock Shares Activity (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Common Stock Outstanding Roll Forward [Roll Forward]    
Beginning balance $ 72,962 $ 3,233
Beginning balance (in shares) 37,207,799  
Net income (loss) $ 411 (33,876)
Stock-based compensation expense 705 707
Common stock issued through employee stock purchase plan 26 4
Common stock issued, net of expenses   0
Common stock issued for vested restricted stock units 1 18
Ending balance $ 74,105 (29,914)
Ending balance (in shares) 37,779,796  
Common Stock    
Common Stock Outstanding Roll Forward [Roll Forward]    
Beginning balance $ 40 $ 36
Beginning balance (in shares) 37,207,799 32,682,342
Net income (loss) $ 0 $ 0
Stock-based compensation expense 0 0
Common stock issued through employee stock purchase plan $ 0 $ 0
Common stock issued through employee stock purchase (in shares) 18,815 2,662
Common stock issued, net of expenses   $ 0
Common stock issued, net of expenses (in shares)   363,000
Common stock issued for vested restricted stock units $ 1 $ 0
Common stock issued for vested restricted stock units (in shares) 553,182 279,623
Ending balance $ 41 $ 36
Ending balance (in shares) 37,779,796 33,327,627
Additional Paid-in Capital    
Common Stock Outstanding Roll Forward [Roll Forward]    
Beginning balance $ 428,169 $ 425,485
Net income (loss) 0 0
Stock-based compensation expense 705 707
Common stock issued through employee stock purchase plan 26 4
Common stock issued, net of expenses   0
Common stock issued for vested restricted stock units 0 18
Ending balance 428,900 426,214
Accumulated Deficit    
Common Stock Outstanding Roll Forward [Roll Forward]    
Beginning balance (355,247) (422,288)
Net income (loss) 411 (33,876)
Stock-based compensation expense 0 0
Common stock issued through employee stock purchase plan 0 0
Common stock issued, net of expenses   0
Common stock issued for vested restricted stock units 0 0
Ending balance $ (354,836) $ (456,164)