Stockholders' Equity - Schedule of Common Stock Warrant Activity (Detail)	9 Months Ended
	Dec. 31, 2020 $ / shares shares
Equity [Abstract]
Warrant Shares of Common Stock, Outstanding at beginning | shares	8,937,651
Warrant Shares of Common Stock, Granted | shares	2,166,667
Warrant Shares of Common Stock, Exchanged | shares	(8,000,000)
Warrant Shares of Common Stock, Outstanding at ending | shares	3,104,318
Weighted Average Exercise Price, Outstanding at beginning | $ / shares	$ 2.31
Weighted Average Exercise Price, Granted | $ / shares	1.80
Weighted Average Exercise Price, Exchanged | $ / shares	2.00
Weighted Average Exercise Price, Outstanding at ending | $ / shares	$ 2.77