Quarterly report pursuant to Section 13 or 15(d)

Stockholders' equity - Schedule of warrants or rights (Detail)

v3.20.2
Stockholders' equity - Schedule of warrants or rights (Detail)
3 Months Ended
Sep. 30, 2020
$ / shares
shares
Equity [Abstract]  
Outstanding, beginning of period | shares 145,421
Granted | shares 0
Exercised | shares 0
Cashless exercise | shares (38,326)
Outstanding, ending of period | shares 107,095
Exercise price of class of warrants or rights outstanding | $ / shares $ 29.48
Granted | $ / shares 0
Exercised | $ / shares 0
Cashless exercise | $ / shares 82.50
Exercise price of class of warrants or rights outstanding and excercisable | $ / shares $ 10.50