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	(3,625)		0	0	0		0	0
Other comprehensive loss, net of taxes	923		0	0	0	0	0
Contributed Capital	0
Repurchase of Common Stock	0
Stock based compensation expense	6		0	0	6	0	0	0
Equity - Ending Balance at Dec. 31, 2019	49,779	$ 5,339	45,118	61	55,520	(50,487)	(417)	(16)
Equity - Beginning Balance at Sep. 30, 2019	51,309		45,118	61	55,516	(49,051)	(417)	82
Net loss	(1,436)		0	0	0		0	0
Other comprehensive loss, net of taxes	(98)		0	0	0	0	0	(98)
Stock based compensation expense	4		0	0	4	0	0	0
Equity - Ending Balance at Dec. 31, 2019	49,779	$ 5,339	45,118	61	55,520	(50,487)	(417)	(16)
Equity - Beginning Balance at Mar. 31, 2020	48,894		45,118	61	55,476	(52,285)	(408)	932
Net loss	(2,931)		0	0	0		0	0
Other comprehensive loss, net of taxes	(565)		0	0	0	0	0	(565)
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 Issued During Period, Value, New Issues	974			1	973
Stock based compensation expense	36		0	(22)	58	0	0	0
Equity - Ending Balance at Dec. 31, 2020	46,408		18,076	55	72,509	(41,691)	(2,908)	367
Equity - Beginning Balance at Sep. 30, 2020	46,396		18,076	54	71,534	(40,381)	(2,908)	21
Net loss	(1,310)		0	0	0		0	0
Other comprehensive loss, net of taxes	346		0	0	0	0	0	346
Stock Issued During Period, Value, New Issues	974			1	973
Stock based compensation expense	2		0	0	2	0	0	0
Equity - Ending Balance at Dec. 31, 2020	$ 46,408		$ 18,076	$ 55	$ 72,509	$ (41,691)	$ (2,908)	$ 367