Quarterly report pursuant to Section 13 or 15(d)

Going concern - Additional information (Detail)

v3.21.1
Going concern - Additional information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Mar. 31, 2021
Mar. 31, 2020
Jun. 30, 2020
Jun. 30, 2019
Going Concern [Abstract]                    
Net income (loss) $ (3,909) $ (3,252) $ (2,718) $ (2,102) $ (2,090) $ (1,147) $ (9,879) $ (5,339)    
Net cash used in provided by operations             (7,675) (4,390)    
Cash and cash equivalents $ 11,988     $ 11,400     $ 11,988 $ 11,400 $ 9,801 $ 15,718