Annual report pursuant to Section 13 and 15(d)

Stockholders' equity - Schedule of equity awards (Detail)

v3.23.3
Stockholders' equity - Schedule of equity awards (Detail) - Employee stock option [Member] - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jul. 01, 2021
Jun. 30, 2023
Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Options,Outstanding, beginning of period 41,298 43,416 41,298
Stock Options, Granted   66,868 2,118
Stock Options, Expired   (2,291)  
Stock Options, Outstanding, end of period   107,993 43,416
Stock Options, Exercisable, end of period   27,135  
Weighted-average Exercise price, beginning of period $ 121.72 $ 118.15 $ 121.72
Weighted-average Exercise Price, Granted   3.88 50.83
Weighted-average Exercise Price, Expired   848.12  
Weighted-average Exercise Price, Exercise price, end of period   31.88 $ 118.15
Weighted-average Exercise Price, Exercisable, end of period   $ 88.79  
Weighted-average Remaining Contractual Term, Outstanding 8 years 25 days 8 years 11 months 15 days 7 years 2 months 4 days
Weighted-average Remaining Contractual Term, Granted   9 years 11 months 8 days 9 years 5 months 12 days
Weighted-average Remaining Contractual Term, Exercisable   7 years 2 months 19 days  
Aggregate Intrinsic Value, Outstanding at June 30, 2023   $ 11,888