Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of Stock Options Outstanding and Exercisable (Detail)

v3.20.2
Stockholders' Equity - Summary of Stock Options Outstanding and Exercisable (Detail)
3 Months Ended
Sep. 30, 2020
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of stock options outstanding 6,544
Stock options exercisable 828
Exercise Price One [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 0.61
Number of stock options outstanding 1,010
Weighted average remaining contractual life (years) 8 years 11 months 4 days
Stock options exercisable 566
Exercise Price Two [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 0.74
Number of stock options outstanding 250
Weighted average remaining contractual life (years) 9 years 1 month 13 days
Exercise Price Three [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 1.36
Number of stock options outstanding 300
Weighted average remaining contractual life (years) 9 years 11 months 23 days
Exercise Price Four [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 1.70
Number of stock options outstanding 4,699
Weighted average remaining contractual life (years) 9 years 11 months 15 days
Exercise Price Five [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 6.10
Number of stock options outstanding 30
Weighted average remaining contractual life (years) 8 years 1 month 9 days
Stock options exercisable 26
Exercise Price Six [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 7.00
Number of stock options outstanding 3
Weighted average remaining contractual life (years) 7 years 8 months 23 days
Stock options exercisable 3
Exercise Price Seven [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 8.70
Number of stock options outstanding 12
Weighted average remaining contractual life (years) 7 years 1 month 2 days
Stock options exercisable 12
Exercise Price Eight [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 9.83
Number of stock options outstanding 83
Weighted average remaining contractual life (years) 7 years 7 months 20 days
Stock options exercisable 65
Exercise Price Nine [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 10.60
Number of stock options outstanding 4
Weighted average remaining contractual life (years) 7 years 6 months 14 days
Stock options exercisable 3
Exercise Price Ten [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 11.70
Number of stock options outstanding 30
Weighted average remaining contractual life (years) 2 years 4 months 28 days
Stock options exercisable 30
Exercise Price Eleven [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 14.94
Number of stock options outstanding 3
Weighted average remaining contractual life (years) 1 year 8 months 1 day
Stock options exercisable 3
Exercise Price Twelve [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 20.00
Number of stock options outstanding 13
Weighted average remaining contractual life (years) 1 year 7 days
Stock options exercisable 13
Exercise Price Thirteen [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 21.10
Number of stock options outstanding 14
Weighted average remaining contractual life (years) 6 years 9 months 7 days
Stock options exercisable 14
Exercise Price Fourteen [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 29.60
Number of stock options outstanding 5
Weighted average remaining contractual life (years) 4 years 4 months 6 days
Stock options exercisable 5
Exercise Price Fifteen [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 37.60
Number of stock options outstanding 5
Weighted average remaining contractual life (years) 5 years 4 months 9 days
Stock options exercisable 5
Exercise Price Sixteen [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 41.00
Number of stock options outstanding 4
Weighted average remaining contractual life (years) 6 years 1 month 9 days
Stock options exercisable 4
Exercise Price Seventeen [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 42.00
Number of stock options outstanding 41
Weighted average remaining contractual life (years) 2 years 3 months 21 days
Stock options exercisable 41
Exercise Price Eighteen [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 44.80
Number of stock options outstanding 3
Weighted average remaining contractual life (years) 5 years 4 months 9 days
Stock options exercisable 3
Exercise Price Nineteen [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 49.50
Number of stock options outstanding 22
Weighted average remaining contractual life (years) 3 years 9 months 25 days
Stock options exercisable 22
Exercise Price Twenty [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 53.20
Number of stock options outstanding 8
Weighted average remaining contractual life (years) 5 years 7 months 6 days
Stock options exercisable 8
Exercise Price Twenty One [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 61.60
Number of stock options outstanding 2
Weighted average remaining contractual life (years) 2 years 6 months
Stock options exercisable 2
Exercise Price Twenty Two [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercisable price | $ / shares $ 92.00
Number of stock options outstanding 3
Weighted average remaining contractual life (years) 2 years 8 months 1 day
Stock options exercisable 3