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Stockholders' Equity - Stock Options and Employee Stock Purchase Plan - Additional Information (Detail) - USD ($)
 3 Months Ended
Oct. 07, 2021
Jun. 30, 2023
Jun. 30, 2022
Class Of Stock [Line Items]      
Vesting criteria probability of achievement percentage   0.00%  
Expense recorded   $ 0  
Weighted-average remaining contractual term of stock options exercisable   7 years 9 months 7 days  
Weighted-average remaining contractual term of stock options outstanding   7 years 9 months 7 days  
Number of common stock shares approved under ESPP   2,708,506  
Expected term   6 years 6 years
2012 Plan [Member] | Executive Chairman [Member]      
Class Of Stock [Line Items]      
Stock options granted 30,000    
2012 Plan [Member] | Chief Scientific Officer [Member]      
Class Of Stock [Line Items]      
Stock options granted 7,500    
2016 Employee Stock Purchase Plan [Member]      
Class Of Stock [Line Items]      
Number of common stock shares approved under ESPP   75,000  
Employee subscription rate   15.00%  
Compensation amount per employee   $ 25,000  
Number of shares per employee   500  
Fair market value at discount   85.00%  
Purchase period   6 months  
Initial offering period   2016-09  
Description of plan   Shares under the ESPP are purchased at 85 percent of the fair market value at the lower of (i) the closing price on the first trading day of the six-month purchase period or (ii) the closing price on the last trading day of the six-month purchase period.  
Shares available for purchase under ESPP   58,426  
Equity Incentive Plan 2022 [Member]      
Class Of Stock [Line Items]      
Stock options granted   131,257  
Number of common stock shares approved under ESPP   940,214