XML 66 R46.htm IDEA: XBRL DOCUMENT v3.21.2
Balance sheet components - Accrued expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Sep. 30, 2020
Balance sheet components    
Professional services fees payable $ 5,057 $ 2,444
Other accrued expenses 1,380 1,457
Accrued expenses $ 6,437 $ 3,901