Quarterly report pursuant to Section 13 or 15(d)

Trade and other receivables - Summary of trade and other receivables (Detail)

v3.20.4
Trade and other receivables - Summary of trade and other receivables (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Jun. 30, 2020
Receivables [Abstract]    
Other receivables $ 21 $ 59
Total $ 21 $ 59