Consolidated Statements of Comprehensive Loss Statement - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (809)	$ (1,050)	$ (1,621)	$ (2,189)
Other comprehensive (loss) income, net of tax:
Unrealized (loss) gain of securities available-for sale, net of tax	163	142	(49)	1,021
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	0	0	862	0
Reclassification adjustment for gains on sale of available-for-sale securities, Tax			0	0
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax	0	0	0	0
Other comprehensive loss, net of taxes	163	142	(911)	1,021
Total comprehensive (loss) income, net of tax	$ (646)	$ (908)	$ (2,532)	$ (1,168)