Income Taxes-Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Components of Deferred Tax Assets
Allowance for loan losses	$ 1,689	$ 1,561
Nonaccrual loan interest	40	41
Deferred gain on sale leaseback transactions	0	1,803
Net Operating Loss Carryforward	18,732	16,248
New Markets Tax Credit	3,452	3,452
AMT credits	0	170
Depreciation	(5)	821
Unrealized Loss on Available-for-Sale Securities	(313)	1,092
Deferred Tax Assets, Gross	23,719	25,188
Components of Deferred Tax Liabilities
Other	1,098	1,073
Deferred Tax Liabilities, Gross	1,098	1,073
Deferred Tax Assets, Net	22,621	24,115
Deferred Tax Assets, Valuation Allowance	(22,621)	(23,945)
Deferred Tax Assets, net of valuation allowance	0	170
Deferred Tax Assets, Other	$ 124	$ 0