Quarterly report pursuant to Section 13 or 15(d)

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

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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, 2022
Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract]      
Deemed dividend recognized on beneficial conversion features of Series C Preferred stock issuance (note 6)     $ 3,181
Non-cash issue costs (note 6)   $ 333 3,287
Preferred Stock Series C      
Supplemental Cash Flow Elements [Abstract]      
Preferred Stock common stock dividend (note 7)   $ 2,462  
Deemed dividend recognized on beneficial conversion features of Series C Preferred stock issuance (note 6)     3,181
Series B Preferred Stock      
Supplemental Cash Flow Elements [Abstract]      
Preferred Stock common stock dividend (note 7) $ 6   15
Series C Warrants      
Supplemental Cash Flow Elements [Abstract]      
Cashless exercise of Series C warrants (note 6)     $ 71