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 at Apr. 30, 2023	$ 16	$ 37,779	129,771	(16,863)	(127,875)	34	22,862
Balances (in shares) at Apr. 30, 2023	1,599	1,683
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)							(1,167)
Balances at Oct. 31, 2023	$ 14	$ 37,779	113,124	0	(129,748)	34	21,203
Balances (in shares) at Oct. 31, 2023	1,407	1,683
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
Net income (loss)	0	0	0	0	(1,494)	0	(1,494)
Stock-based compensation	0	0	108	0	0	0	108
Balances at Jul. 31, 2023	$ 16	$ 37,779	129,879	(16,863)	(129,369)	34	21,476
Balances (in shares) at Jul. 31, 2023	1,600	1,683
Net income (loss)	$ 0	$ 0	0	0	568	0	568
Stock-based compensation	0	0	106	0	0	0	106
Balances at Oct. 31, 2023	$ 14	$ 37,779	113,124	0	(129,748)	34	21,203
Retirement of treasury stock (in shares)	(193)	0
Retirement of treasury stock	$ (2)	$ 0		16,863			0
Retirement of treasury stock			(16,861)
Preferred stock dividends	$ 0	$ 0	0	0	(947)	0	(947)
Balances (in shares) at Oct. 31, 2023	1,407	1,683
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 at Apr. 30, 2024	$ 14	$ 37,779	113,169	0	(127,353)	34	23,643
Balances (in shares) at Apr. 30, 2024	1,406	1,683
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)							3,043
Balances at Oct. 31, 2024	$ 80	$ 0	135,572	0	(110,479)	34	25,207
Balances (in shares) at Oct. 31, 2024	7,969	0
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
Net income (loss)	0	0	0	0	798	0	798
Stock-based compensation	0	0	46	0	0	0	46
Balances at Jul. 31, 2024	$ 14	$ 37,779	113,215	0	(126,555)	34	24,487
Balances (in shares) at Jul. 31, 2024	1,406	1,683
Net income (loss)	$ 0	$ 0	0	0	1,291	0	1,291
Stock-based compensation	$ 0	$ 0	47	0	0	0	47
Preferred stock conversion (in shares)	6,563	(1,683)
Preferred stock conversion	$ 66	$ (37,779)	22,310	0		0	(618)
Preferred stock conversion					14,785
Balances at Oct. 31, 2024	$ 80	$ 0	$ 135,572	$ 0	$ (110,479)	$ 34	$ 25,207
Balances (in shares) at Oct. 31, 2024	7,969	0