Income Taxes-Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Components of Deferred Tax Assets
Allowance for loan losses	$ 1,874	$ 1,723
Compensation and Benefits	39	16
Nonaccrual loan interest	89	54
Net Operating Loss Carryforward	17,692	18,890
New Markets Tax Credit	3,434	3,434
Unrealized Loss on Available-for-Sale Securities	1,399	667
Deferred Tax Assets, Other	291	248
Deferred Tax Assets, Gross	24,818	25,032
Components of Deferred Tax Liabilities
Depreciation	815	916
Other	94	370
Deferred Tax Liabilities, Gross	909	1,286
Deferred Tax Assets, Net	23,909	23,746
Deferred Tax Assets, Valuation Allowance	(23,909)	(23,746)
Deferred Tax Assets, net of valuation allowance	$ 0	$ 0