Quarterly report pursuant to Section 13 or 15(d)

Stockholders' equity - Schedule of equity awards (Detail)

v3.24.0.1
Stockholders' equity - Schedule of equity awards (Detail) - Employee stock option [Member] - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Dec. 31, 2023
Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock Options,Outstanding, beginning of period   107,993
Stock Options, Granted 104,980  
Stock Options, Outstanding, end of period 212,973  
Stock Options, Exercisable, end of period 38,853  
Weighted-average Exercise price, beginning of period   $ 31.88
Weighted-average Exercise Price, Granted $ 3.13  
Weighted-average Exercise Price, Exercise price, end of period 17.71  
Weighted-average Exercise Price, Exercisable, end of period $ 76.43  
Weighted-average Remaining Contractual Term, Outstanding 9 years 2 months 4 days 8 years 11 months 15 days
Weighted-average Remaining Contractual Term, Granted 9 years 11 months 8 days  
Weighted-average Remaining Contractual Term, Exercisable 6 years 10 months 2 days  
Aggregate Intrinsic Value, Outstanding at June 30, 2023 $ 11,283 $ 11,888
Aggregate Intrinsic Value,Exercisable $ 261