Quarterly report pursuant to Section 13 or 15(d)

Going concern - Additional information (Detail)

v3.20.4
Going concern - Additional information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Going Concern [Abstract]                
Net income (loss) $ (3,252) $ (2,718) $ (2,090) $ (1,147) $ (5,970) $ (3,237)    
Net cash used in provided by operations         (5,686) (3,621)    
Cash and cash equivalents $ 14,010   $ 13,786   $ 14,010 $ 13,786 $ 9,801 $ 15,718