Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (5,936)	$ 5,354
Other comprehensive income (loss), net of tax:
Change in unrealized loss of securities available-for-sale, net of tax	1,050	(786)
Reclassification adjustments for sales of available-for-sale securities, net of tax	16	0
Total other comprehensive income (loss), net of tax	1,066	(786)
Total comprehensive (loss) income, net of tax	$ (4,870)	$ 4,568