Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Stockholder's equity at Jan. 31, 2019	$ 79	$ 58,793	$ (4,291)	$ (2,880)	$ 51,701
Net income (loss)			3,576		3,576
Common stock issued under stock plans, net of shares used for tax withholding	1	220			221
Stock-based compensation expense		1,011			1,011
Pension liability adjustment				(439)	(439)
Foreign currency translation adjustment				(441)	(441)
Stockholder's equity at Jan. 31, 2020	$ 80	60,024	(715)	(3,760)	55,629
Balance beginning of year (in shares) at Jan. 31, 2019	7,854,322
Shares issued (in shares)	193,684
Balance end of year (in shares) at Jan. 31, 2020	8,048,006
Net income (loss)			(7,642)		(7,642)
Common stock issued under stock plans, net of shares used for tax withholding	2	(193)			(191)
Stock-based compensation expense		1,044			1,044
Pension liability adjustment				185	185
Foreign currency translation adjustment				288	288
Stockholder's equity at Jan. 31, 2021	$ 82	$ 60,875	$ (8,357)	$ (3,287)	$ 49,313
Shares issued (in shares)	116,983
Balance end of year (in shares) at Jan. 31, 2021	8,164,989