Income Taxes-Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Effective Income Tax Rate Reconciliation, Amount
Statutory Federal income tax expense (benefit), Amount	$ (924)	$ (177)
State and local income tax, net of Federal tax benefit, Amount		0
Impact of income tax rate changes, Amount	0	0
Change in Valuation Allowance, Amount	953	174
Other, Amount	(29)	3
Income Tax Expense (Benefit)	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Percent
Statutory Federal income tax expense (benefit), Percent	21.00%	21.00%
State and local income tax, net of Federal tax benefit, Percent	0.00%	0.00%
Impact of income tax rate changes, Percent	0.00%	0.00%
Change in Valuation Allowance, Percent	(21.70%)	(20.70%)
Other, Percent	0.70%	(0.30%)
Income tax expense (benefit), Percent	0.00%	0.00%