Consolidated Statement of Changes in Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Preferred Stock Series E Preferred Stock	Preferred Stock Series F Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Loss
Equity - Beginning Balance at Mar. 31, 2019	$ 47,136		$ 45,118			$ 61	$ 55,514	$ (52,201)	$ (417)	$ (939)
Net loss	(5,423)							(5,423)
Other comprehensive income, net of tax	1,871									1,871
Stock based compensation expense	(38)						(47)		9
Equity - Ending Balance at Mar. 31, 2020	48,894	$ 5,339	45,118			61	55,476	(52,285)	(408)	932
Net loss	(3,896)							(3,896)
Other comprehensive income, net of tax	(4,107)									(4,107)
Stock Issued During Period, Value, Conversion of Convertible Securities	0		13,994			17	13,977
Stock Repurchased and Retired During Period, Value	0		(13,523)			(2)		13,525
Proceeds from Other Equity	2,500						2,500
Payments for Repurchase of Common Stock	(2,500)								2,500
Stock Issued During Period, Value, New Issues	3,197			$ 3,177	$ 5,000	4	3,193
Stock based compensation expense	36					(22)	58
Equity - Ending Balance at Mar. 31, 2021	$ 52,301		$ 25,778			$ 58	$ 75,204	$ (42,656)	$ (2,908)	$ (3,175)