CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)	Accumulated other comprehensive loss	Common Stock	Treasury Stock
Balance, shares at Jan. 31, 2021					8,498,457	509,242
Balance, amount at Jan. 31, 2021	$ 121,751	$ 76,781	$ 51,520	$ (1,612)	$ 85	$ (5,023)
Net income	10,866	0	10,866	0	0	0
Other comprehensive loss	6	0	0	6	$ 0	0
Restricted Stock Issued, shares					57,215
Restricted Stock Issued, amount	1	0	0	0	$ 1	0
Restricted Stock Plan	1,025	1,025	0	0	0	0
Return of shares in lieu of payroll withholding	(622)	(622)	0	0	0	$ 0
Treasury stock purchased, shares						271,024
Treasury stock purchased, amount	5,887	0	0	0	$ 0	$ 5,887
Balance, shares at Oct. 31, 2021					8,555,672	780,266
Balance, amount at Oct. 31, 2021	127,140	77,184	62,386	(1,606)	$ 86	$ (10,910)
Balance, shares at Jul. 31, 2021					8,542,372	736,696
Balance, amount at Jul. 31, 2021	124,810	76,927	59,490	(1,676)	$ 86	$ (10,017)
Net income	2,896	0	2,896	0	0	0
Other comprehensive loss	70	0	0	70	$ 0	0
Restricted Stock Issued, shares					13,300
Restricted Stock Issued, amount	0	0	0	0	$ 0	0
Restricted Stock Plan	417	417	0	0	0	0
Return of shares in lieu of payroll withholding	(160)	(160)	0	0	0	$ 0
Treasury stock purchased, shares						43,570
Treasury stock purchased, amount	893	0	0	0	$ 0	$ 893
Balance, shares at Oct. 31, 2021					8,555,672	780,266
Balance, amount at Oct. 31, 2021	127,140	77,184	62,386	(1,606)	$ 86	$ (10,910)
Balance, shares at Jan. 31, 2022					8,555,672	939,705
Balance, amount at Jan. 31, 2022	125,100	77,826	62,892	(1,498)	$ 86	$ (14,206)
Net income	1,690	0	1,690	0	0	0
Other comprehensive loss	(2,916)	0	0	(2,916)	$ 0	0
Restricted Stock Issued, shares					94,908
Restricted Stock Issued, amount	1	0	0	0	$ 1	0
Restricted Stock Plan	1,141	1,141	0	0	0	0
Return of shares in lieu of payroll withholding	(805)	(805)	0	0	0	$ 0
Treasury stock purchased, shares						390,989
Treasury stock purchased, amount	5,440	0	0	0	$ 0	$ 5,440
Balance, shares at Oct. 31, 2022					8,650,580	1,330,694
Balance, amount at Oct. 31, 2022	118,771	78,162	64,582	(4,414)	$ 87	$ (19,646)
Balance, shares at Jul. 31, 2022					8,650,580	1,135,855
Balance, amount at Jul. 31, 2022	121,047	77,811	63,151	(2,670)	$ 87	$ (17,332)
Net income	1,431	0	1,431	0	0	0
Other comprehensive loss	(1,744)	0	0	(1,744)	0	0
Restricted Stock Issued, amount	0		0	0	0	0
Restricted Stock Plan	351	351	0	0	0	0
Return of shares in lieu of payroll withholding	0	0	0	0	0	$ 0
Treasury stock purchased, shares						194,839
Treasury stock purchased, amount	2,314	0	0	0	$ 0	$ 2,314
Balance, shares at Oct. 31, 2022					8,650,580	1,330,694
Balance, amount at Oct. 31, 2022	$ 118,771	$ 78,162	$ 64,582	$ (4,414)	$ 87	$ (19,646)