Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Related Party Amounts	$ 25,000
Prepaid Expenses and Other Current Assets [Member]
Related Party Amounts	(207)	$ 0
Accounts Receivable [Member]
Related Party Amounts	(105)	0
Accounts Payable [Member]
Related Party Amounts	(4,422)	(4,231)
Accrued Expenses And Other Current Liabilities [Member]
Related Party Amounts	5,416	749
Deferred Revenue [Member]
Related Party Amounts	(3,969)	(5,221)
Exercise Of Stock Options [Member]
Related Party Amounts	0	34,710
PIPE [Member]
Related Party Amounts	$ 25,000	$ 0