Income Taxes-Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Components of Deferred Tax Assets
Allowance for loan losses	$ 1,723	$ 1,689
Compensation and Benefits	16	0
Nonaccrual loan interest	54	40
Net Operating Loss Carryforward	18,890	18,732
New Markets Tax Credit	3,434	3,452
Depreciation	(916)	(5)
Unrealized Loss on Available-for-Sale Securities	667	(313)
Deferred Tax Assets, Other	248	124
Deferred Tax Assets, Gross	24,116	23,719
Components of Deferred Tax Liabilities
Other	370	1,098
Deferred Tax Liabilities, Gross	370	1,098
Deferred Tax Assets, Net	23,746	22,621
Deferred Tax Assets, Valuation Allowance	(23,746)	(22,621)
Deferred Tax Assets, net of valuation allowance	$ 0	$ 0