Income Taxes - Significant components of the company's deferred tax assets (Details 1) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Deferred Tax Assets
Allowance for credit losses not currently deductible for tax purposes	$ 1,647	$ 2,948
Share-based compensation	125	320
State net operating loss carryforwards	496	458
Right of use liability	826	462
Other items	158	249
Total deferred tax assets	3,252	4,437
Deferred tax liabilities
Right of use asset	832	457
Other items	137	71
Total deferred tax liabilities	969	528
Deferred income taxes	$ 2,283	$ 3,909