Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Operating Loss Carryforwards [Line Items]
Foreign withholding related taxes	$ 4,217,000
Unrecognized tax benefits, decrease resulting from prior period tax positions	1,686,000
Liability for unrecognized tax benefits	6,112,000	$ 4,426,000	$ 4,192,000
Income tax examination, interest accrued	286,000	88,000
Income tax examination, interest expense	199,000
Income tax examination, interest income		85,000	35,000
Income tax examination, penalty accrued	0	0	0
Income tax examination, penalty expense	$ 0	0	$ 0
Period within which the company does not anticipate total unrecognized tax benefits to change	within the next twelve months
Research and Development
Operating Loss Carryforwards [Line Items]
Tax credit carryforward, amount	$ 8,155,000	8,574,000
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	10,801,000	$ 18,748,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	3,750,000
Tax effect from change in tax rate	$ 714,000