Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Total
Stockholder's equity at Jan. 31, 2020	$ 80	$ 60,024	$ (715)	$ 0	$ (3,760)	$ 55,629
Net income (loss)	0	0	(7,642)		0	(7,642)
Common stock issued under stock plans, net of shares used for tax withholding	2	(193)	0		0	(191)
Stock-based compensation expense	0	1,044	0		0	1,044
Pension liability adjustment	0	0	0		185	185
Foreign currency translation adjustment	0	0	0		288	288
Stockholder's equity at Jan. 31, 2021	$ 82	60,875	(8,357)	0	(3,287)	49,313
Balance beginning of year (in shares) at Jan. 31, 2020	8,048,006
Treasury stock purchased (in shares)	0
Shares issued (in shares)	116,983
Balance end of year (in shares) at Jan. 31, 2021	8,164,989
Net income (loss)	$ 0	0	6,062	0	0	6,062
Common stock issued under stock plans, net of shares used for tax withholding	0	(210)	0	0	0	(210)
Stock-based compensation expense	0	1,101	0	0	0	1,101
Pension liability adjustment	0	0	0	0	540	540
Foreign currency translation adjustment	0	0	0	0	(357)	(357)
Repurchase of common stock	0	0	0	(1,992)	0	(1,992)
Stockholder's equity at Jan. 31, 2022	$ 82	$ 61,766	$ (2,295)	$ (1,992)	$ (3,104)	$ 54,457
Treasury stock purchased (in shares)	(234,281)
Shares issued (in shares)	221,046
Balance end of year (in shares) at Jan. 31, 2022	8,151,754