Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Stockholder's equity at Jan. 31, 2021	$ 82	$ 0	$ 60,875	$ (8,357)	$ (3,287)	$ 49,313
Net income (loss)	0	0	0	(843)	0	(843)
Stock-based compensation expense	0	0	272	0	0	272
Foreign currency translation adjustment	0	0	0	0	40	40
Net loss	0	0	0	(843)	0	(843)
Stockholder's equity at Apr. 30, 2021	$ 82	$ 0	61,147	(9,200)	(3,247)	48,782
Balance (in shares) at Jan. 31, 2021	8,164,989
Treasury stock purchased (in shares)		(234,281)
Shares issued, net of shares used for tax withholding (in shares)	221,046
Balance (in shares) at Apr. 30, 2021	8,151,754
Stockholder's equity at Jan. 31, 2022	$ 82	$ (1,992)	61,766	(2,295)	(3,104)	54,457
Net income (loss)	0	0	0	(885)	0	(885)
Common stock issued under stock plans, net of shares used for tax withholding	0	0	16	0	0	16
Stock-based compensation expense	0	0	236	0	0	236
Foreign currency translation adjustment	0	0	0	0	(932)	(932)
Net loss	0	0	0	(885)	0	(885)
Stockholder's equity at Apr. 30, 2022	$ 82	$ (1,992)	$ 62,018	$ (3,180)	$ (4,036)	$ 52,892
Balance (in shares) at Jan. 31, 2022	8,151,754
Treasury stock purchased (in shares)						0
Shares issued, net of shares used for tax withholding (in shares)	2,400
Balance (in shares) at Apr. 30, 2022	8,154,154