Quarterly report pursuant to Section 13 or 15(d)

Supplementary Statement of Cash Flows Information - Schedule of Supplementary Statement of Cash Flows Information (Detail)

v3.21.1
Supplementary Statement of Cash Flows Information - Schedule of Supplementary Statement of Cash Flows Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Supplemental Cash Flow Elements [Abstract]        
Series B Preferred Stock common stock dividend (note 8) $ 6 $ 1 $ 15 $ 6
Deemed dividend recognized on beneficial conversion features of Series C Preferred stock issuance (note 8)     3,181  
Non-cash issue costs (note 8)     3,287  
Series C Warrants [Member]        
Supplemental Cash Flow Elements [Abstract]        
Cashless exercise of warrants     $ 71