Consolidated Statement of Changes in Stockholders' 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	(3,047)	0	0	0		0	0
Other comprehensive loss, net of taxes	(686)	0	0	0	0	0
Stock based compensation expense	32	0	0	32	0	0	0
Equity - Ending Balance at Sep. 30, 2018	48,270	45,118	61	55,511	(49,312)	(417)	(2,691)
Equity - Beginning Balance at Jun. 30, 2018	50,604	45,118	61	55,480	(47,295)	(417)	(2,343)
Net loss	(2,017)	0	0	0		0	0
Other comprehensive loss, net of taxes	(348)	0	0	0	0	0	(348)
Stock based compensation expense	31	0	0	31	0	0	0
Equity - Ending Balance at Sep. 30, 2018	48,270	45,118	61	55,511	(49,312)	(417)	(2,691)
Cumulative Effect of New Accounting Principle | Accounting Standards Update 2016-01	0	0	0	0	(721)	0	721
Equity - Beginning Balance at Mar. 31, 2019	47,136	45,118	61	55,514	(52,201)	(417)	(939)
Net loss	(2,189)	0	0	0		0	0
Other comprehensive loss, net of taxes	1,021	0	0	0	0	0	1,021
Stock based compensation expense	2	0	0	2	0	0	0
Equity - Ending Balance at Sep. 30, 2019	51,309	45,118	61	55,516	(49,051)	(417)	82
Equity - Beginning Balance at Jun. 30, 2019	52,216	45,118	61	55,515	(48,001)	(417)	(60)
Net loss	(1,050)	0	0	0		0	0
Other comprehensive loss, net of taxes	142	0	0	0	0	0	142
Stock based compensation expense	1	0	0	1	0	0	0
Equity - Ending Balance at Sep. 30, 2019	51,309	45,118	61	55,516	(49,051)	(417)	82
Cumulative Effect of New Accounting Principle | Accounting Standards Update 2016-02	$ 5,339	$ 0	$ 0	$ 0	$ 5,339	$ 0	$ 0