Schedule of (Loss) Per Share, Basic and Diluted (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Net loss - basic	$ (12,156)	$ (8,026)	$ (29,666)	$ (7,314)
Change in fair value of warrant liability	(5,458)	(7,083)	(8,046)	(20,307)
Net loss - diluted	$ (17,614)	$ (15,109)	$ (37,712)	$ (27,621)