Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Previously Reported [Member] Common Stock [Member]	Previously Reported [Member] Additional Paid-in Capital [Member]	Previously Reported [Member] Treasury Stock [Member]	Previously Reported [Member] Retained Earnings [Member]	Previously Reported [Member] AOCI Attributable to Parent [Member]	Previously Reported [Member]	Revision of Prior Period, Error Correction, Adjustment [Member] Common Stock [Member]	Revision of Prior Period, Error Correction, Adjustment [Member] Additional Paid-in Capital [Member]	Revision of Prior Period, Error Correction, Adjustment [Member] Treasury Stock [Member]	Revision of Prior Period, Error Correction, Adjustment [Member] Retained Earnings [Member]	Revision of Prior Period, Error Correction, Adjustment [Member] AOCI Attributable to Parent [Member]	Revision of Prior Period, Error Correction, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Total stockholders' equity at Jan. 31, 2018	$ 77	$ 56,304		$ (3,103)	$ (1,466)	$ 51,812				$ (638)		$ (638)	$ 77	$ 56,304		$ (3,741)	$ (1,466)	$ 51,174
Net loss						(529)										(550)		(550)
Common stock issued under stock plans, net of shares used for tax withholding													2	1,324				1,326
Stock-based compensation expense														1,165				1,165
Pension liability adjustment																	(341)	(341)
Foreign currency translation adjustment																	(1,170)	(1,170)
Tax expense on above items																	97	97
Total stockholders' equity at Jan. 31, 2019						$ 52,360							$ 79	58,793		(4,291)	(2,880)	51,701
Balance beginning of year (in shares) at Jan. 31, 2018													7,716,542
Shares issued (in shares)													137,780
Balance end of year (in shares) at Jan. 31, 2019													7,854,322
Net 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)
Tax expense on above items
Total stockholders' equity at Jan. 31, 2020													$ 80	$ 60,024		$ (715)	$ (3,760)	$ 55,629
Shares issued (in shares)													193,684
Balance end of year (in shares) at Jan. 31, 2020													8,048,006