Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ 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, 2023	1,599	1,683
Balances at Jan. 31, 2023	$ 16	$ 37,779	$ 129,721	$ (16,863)	$ (127,635)	$ 34	$ 23,052
Net income (loss)	0	0	0	0	(240)	0	(240)
Stock-based compensation	$ 0	$ 0	50	0	0	0	50
Balances (in shares) at Apr. 30, 2023	1,599	1,683
Balances at Apr. 30, 2023	$ 16	$ 37,779	129,771	(16,863)	(127,875)	34	22,862
Balances (in shares) at Jan. 31, 2024	1,406	1,683
Balances at Jan. 31, 2024	$ 14	$ 37,779	113,121	0	(128,307)	34	22,641
Net income (loss)	0	0	0	0	954	0	954
Stock-based compensation	$ 0	$ 0	48	0	0	0	48
Balances (in shares) at Apr. 30, 2024	1,406	1,683
Balances at Apr. 30, 2024	$ 14	$ 37,779	$ 113,169	$ 0	$ (127,353)	$ 34	$ 23,643