Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Loss
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
Stock based compensation expense	2		0	0	2	0	0	0
Equity - Ending Balance at Sep. 30, 2019	51,309	$ 5,339	45,118	61	55,516	(49,051)	(417)	82
Equity - Beginning Balance at Jun. 30, 2019	52,216	5,339	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	$ 5,339	45,118	61	55,516	(49,051)	(417)	82
Equity - Beginning Balance at Mar. 31, 2020	48,894		45,118	61	55,476	(52,285)	(408)	932
Net loss	(1,621)		0	0	0		0	0
Other comprehensive loss, net of taxes	(911)		0	0	0	0	0	(911)
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(13,519)	(17)	(13,502)	0	0	0
Stock Relinquished During Period, Value			(13,523)	(2)		(13,525)
Contributed Capital	2,500				2,500		0
Repurchase of Common Stock	2,500				0		(2,500)
Stock based compensation expense	34		0	(22)	56	0	0	0
Equity - Ending Balance at Sep. 30, 2020	46,396		18,076	54	71,534	(40,381)	(2,908)	21
Equity - Beginning Balance at Jun. 30, 2020	47,041		44,521	38	56,129	(53,097)	(408)	(142)
Net loss	(809)		0	0	0		0	0
Other comprehensive loss, net of taxes	163		0	0	0	0	0	163
Stock Issued During Period, Value, Conversion of Convertible Securities	0		(12,922)	(16)	(12,906)	0	0	0
Stock Relinquished During Period, Value			(13,523)	(2)		(13,525)
Contributed Capital					2,500		0
Repurchase of Common Stock					0		(2,500)
Stock based compensation expense	1		0	2	(1)	0	0	0
Equity - Ending Balance at Sep. 30, 2020	$ 46,396		$ 18,076	$ 54	$ 71,534	$ (40,381)	$ (2,908)	$ 21