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	(1,392)			(1,392)
Common stock issued under stock plans, net of shares used for tax withholding	1,067	$ 2	1,065
Stock-based compensation expense	711		711
Foreign currency translation adjustment	$ (987)				(987)
Treasury stock released	0
Shares issued		159,477
Stockholders' equity at Jul. 31, 2018	$ 51,211	$ 79	$ 58,080	$ (4,495)	$ (2,453)
Shares, Outstanding at Jul. 31, 2018		7,876,019