Annual report pursuant to Section 13 and 15(d)

Income taxes - Summary of net operating losses and tax credit carryforwards (Detail)

v3.21.2
Income taxes - Summary of net operating losses and tax credit carryforwards (Detail)
$ in Thousands
 12 Months Ended
Jun. 30, 2021
USD ($)
State and Local Jurisdiction [Member]  
Disclosure Details Of Operating Loss Carry Forwards And Tax Credits [Line Items]  
Net operating losses $ 5,314
State and Local Jurisdiction [Member] | Year Two Thousand And Thirty Four [Member]  
Disclosure Details Of Operating Loss Carry Forwards And Tax Credits [Line Items]  
Year of expiry of operating losses carry forwards 2034
State and Local Jurisdiction [Member] | Year Two Thousand And Thirty One [Member]  
Disclosure Details Of Operating Loss Carry Forwards And Tax Credits [Line Items]  
Year of expiry of operating losses carry forwards 2031
Foreign Tax Authority [Member]  
Disclosure Details Of Operating Loss Carry Forwards And Tax Credits [Line Items]  
Net operating losses $ 52,623
Operating loss carryforwards, expiration years Do not expire
NOL From Two Thousand Eighteen [Member] | Domestic Tax Authority [Member]  
Disclosure Details Of Operating Loss Carry Forwards And Tax Credits [Line Items]  
Net operating losses $ 8,797
Operating loss carryforwards, expiration years Do not expire