Consolidated Statement of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock	Preferred Stock	Preferred Stock Series F Preferred Stock	Common Stock	Common Stock Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Common Stock	Accumulated Deficit	Treasury Stock, Common	Accumulated Other Comprehensive Loss
Equity - Beginning 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
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)
Net loss	(4,401)								(4,401)
Other comprehensive income, net of tax	(5,553)										(5,553)
Stock Issued During Period, Value, Conversion of Convertible Securities	0		550		1		549
Stock based compensation expense	91				0		91
Equity - Ending Balance at Mar. 31, 2023	$ 45,224		$ 25,378		$ 68		$ 82,805		$ (47,904)	$ (2,908)	$ (12,215)