Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,401)	$ (847)
Other comprehensive loss, net of tax:
Change in unrealized loss of securities available-for-sale, net of tax	(5,553)	(3,487)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	0	0
Other comprehensive loss, net of tax	(5,553)	(3,487)
Comprehensive loss	(9,954)	(4,334)
Other Comprehensive Income (Loss), Change in unrealized loss of available-for-sale securities, Tax	0	0
Other Comprehensive Income (Loss), Reclassification adjustment for sales of available-for-sale securities, Tax	$ 0	$ 0