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Schedule of (Loss) Per Share, Basic and Diluted (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Net loss - basic | $ (11,454) | $ (20,217) | $ (13,546) | $ (23,211)
Change in fair value of warrant liability | (7,083) |  | (20,307) |
Net loss - diluted | $ (18,537) | $ (20,217) | $ (33,853) | $ (23,211)

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