Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common and Preferred [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances (in shares) at Jan. 31, 2022	15,705	1,683
Balances at Jan. 31, 2022	$ 157,000	$ 37,779,000	$ 128,926,000	$ (16,862,000)	$ (117,856,000)	$ (1,881,000)	$ 30,263,000
Net loss	0	0	0	0	(2,419,000)	0	(2,419,000)
Stock-based compensation	0	0	236,000	0	0	0	236,000
Foreign currency translation	$ 0	0	0	0	0	(3,000)	(3,000)
Restricted stock issued (in shares)	10
Restricted stock issued	$ 0	0	0	0	0	0	0
Restricted stock surrendered for tax withholding	0	0	0	(1)	0	0	(1)
Preferred stock dividends	$ 0	$ 0	0	0	(947,000)	0	(947,000)
Balances (in shares) at Apr. 30, 2022	15,715	1,683
Balances at Apr. 30, 2022	$ 157,000	$ 37,779,000	129,162,000	(16,863,000)	(121,222,000)	(1,884,000)	27,129,000
Balances (in shares) at Jan. 31, 2023	15,721	1,683
Balances at Jan. 31, 2023	$ 157,000	$ 37,779,000	129,580,000	(16,863,000)	(127,635,000)	34,000	23,052,000
Net loss	0	0	0	0	(240,000)	0	(240,000)
Stock-based compensation	$ 0	$ 0	50,000	0	0	0	50,000
Balances (in shares) at Apr. 30, 2023	15,721	1,683
Balances at Apr. 30, 2023	$ 157,000	$ 37,779,000	$ 129,630,000	$ (16,863,000)	$ (127,875,000)	$ 34,000	$ 22,862,000