Consolidated Statement of Changes in Equity - USD ($) $ in Thousands	Total	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, 2020	$ 48,894	$ 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)
Net loss	(847)						(847)
Other comprehensive income, net of tax	(3,487)								(3,487)
Stock Issued During Period, Value, Conversion of Convertible Securities	0	3,850			4	3,846
Proceeds from Other Equity	0
Payments for Repurchase of Common Stock	0
Stock Issued During Period, Value, New Issues	2,998			$ 4,000	4	2,994
Stock based compensation expense	122				1	121
Equity - Ending Balance at Mar. 31, 2022	$ 55,087	$ 25,928			$ 67	$ 82,165	$ (43,503)	$ (2,908)	$ (6,662)