Consolidated Statement of Changes in Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Loss
Equity - Beginning Balance at Mar. 31, 2018	$ 51,971	$ 45,118	$ 61	$ 55,479	$ (45,544)	$ (417)	$ (2,726)
Net loss	(5,936)	0	0	0	(5,936)	0	0
Other comprehensive income, net of tax	1,066	0	0	0	0	0	1,066
Stock based compensation expense	35	0	0	35	0	0	0
Equity - Ending Balance at Mar. 31, 2019	47,136	45,118	61	55,514	(52,201)	(417)	(939)
Cumulative Effect of New Accounting Principle | Accounting Standards Update 2016-01	0	0	0	0	(721)	0	721
Net loss	(5,423)	0	0	0	(5,423)	0	0
Other comprehensive income, net of tax	1,871	0	0	0	0	0	1,871
Adjustments, Other	9	0	0	9	0	0	0
Stock based compensation expense	(38)	0	0	(47)	0	9	0
Equity - Ending Balance at Mar. 31, 2020	48,894	45,118	61	55,476	(52,285)	(408)	932
Cumulative Effect of New Accounting Principle	5,300
Cumulative Effect of New Accounting Principle | Accounting Standards Update 2016-02	$ 5,339	$ 0	$ 0	$ 0	$ 5,339	$ 0	$ 0