CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Shares, Outstanding at Jan. 31, 2017		7,595,509
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock released		26,753
Shares issued		94,280
Stockholders' equity at Jan. 31, 2018	$ 51,812	$ 77	$ 56,304	$ (3,103)	$ (1,466)
Shares, Outstanding at Jan. 31, 2018		7,716,542
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(1,117)			(1,117)
Common stock issued under stock plans, net of shares used for tax withholding	25	$ 0	25
Stock-based compensation expense	249		249
Foreign currency translation adjustment	$ (665)				(665)
Treasury stock released	0
Shares issued		3,600
Stockholders' equity at Apr. 30, 2018	$ 50,304	$ 77	$ 56,578	$ (4,220)	$ (2,131)
Shares, Outstanding at Apr. 30, 2018		7,720,142