Subsequent Events (Details) - USD ($)	9 Months Ended
	Dec. 31, 2020	Apr. 04, 2018
Tranche A Loan
Subsequent Event [Line Items]
Long-term loan facility		$ 5,000,000.0
Subsequent Event | Forecast
Subsequent Event [Line Items]
Expected exercise price under certain conditions	$ 1
Minimum number of days before closing	60 days
Estimated Time Of Regulatory Approval, Minimum	6 months
Estimated Time Of Regulatory Approval, Maximum	12 months
Agreement To Maintain And Continue AFSW, Term	1 year
Subsequent Event | Forecast | Fujitsu Semiconductor Limited
Subsequent Event [Line Items]
Purchase of additional interest	51.00%