Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	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, 2021	$ 52,301	$ 25,778		$ 58	$ 75,204	$ (42,656)	$ (2,908)	$ (3,175)
Net (loss) income	(1,672)
Other comprehensive loss, net of taxes	1,491
Stock Issued During Period, Value, Conversion of Convertible Securities	0	(1,650)		(2)	(1,648)
Stock Issued During Period, Value, New Issues	4,000		$ 4,000
Stock based compensation expense	98			1	97
Equity - Ending Balance at Sep. 30, 2021	56,218	28,128		61	76,949	(44,328)	(2,908)	(1,684)
Equity - Beginning Balance at Jun. 30, 2021	51,690	24,678		60	76,328	(45,412)	(2,908)	(1,056)
Net (loss) income	1,084
Other comprehensive loss, net of taxes	(628)							(628)
Stock Issued During Period, Value, Conversion of Convertible Securities	0	(550)		(1)	(549)
Stock Issued During Period, Value, New Issues	4,000		$ 4,000
Stock based compensation expense	72			0	72
Equity - Ending Balance at Sep. 30, 2021	56,218	28,128		61	76,949	(44,328)	(2,908)	(1,684)
Equity - Beginning Balance at Mar. 31, 2022	55,087	25,928		67	82,165	(43,503)	(2,908)	(6,662)
Net (loss) income	(1,812)
Other comprehensive loss, net of taxes	(7,058)							(7,058)
Stock Issued During Period, Value, Conversion of Convertible Securities	0	(550)		(1)	(549)
Stock based compensation expense	20			0	20
Equity - Ending Balance at Sep. 30, 2022	46,237	25,378		68	82,734	(45,315)	(2,908)	(13,720)
Equity - Beginning Balance at Jun. 30, 2022	50,636	25,378		68	82,734	(44,360)	(2,908)	(10,276)
Net (loss) income	(955)
Other comprehensive loss, net of taxes	(3,444)							(3,444)
Equity - Ending Balance at Sep. 30, 2022	$ 46,237	$ 25,378		$ 68	$ 82,734	$ (45,315)	$ (2,908)	$ (13,720)