Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Net income (loss)					$ (1,392)
Foreign currency translation adjustment					(987)
Balances at beginning of year (in shares) at Jan. 31, 2018	7,716,542
Shares issued (in shares)	137,780
Balances at period end (in shares) at Jul. 31, 2018	7,854,322
Total stockholders' equity at Jan. 31, 2019	$ 79	$ 58,793	$ (3,632)	$ (2,880)	52,360
Net income (loss)			(1,502)		(1,502)
Common stock issued under stock plans, net of shares used for tax withholding		79			79
Stock-based compensation expense		154			154
Foreign currency translation adjustment				(317)	(317)
Total stockholders' equity at Apr. 30, 2019	$ 79	59,026	(5,134)	(3,197)	50,774
Balances at beginning of year (in shares) at Jan. 31, 2019	7,854,322
Total stockholders' equity at Jan. 31, 2019	$ 79	58,793	(3,632)	(2,880)	52,360
Net income (loss)					2,218
Foreign currency translation adjustment					41
Total stockholders' equity at Jul. 31, 2019	$ 80	59,475	(1,414)	(2,839)	55,302
Balances at beginning of year (in shares) at Jan. 31, 2019	7,854,322
Shares issued (in shares)	172,050
Balances at period end (in shares) at Jul. 31, 2019	8,026,372
Total stockholders' equity at Apr. 30, 2019	$ 79	59,026	(5,134)	(3,197)	50,774
Net income (loss)			3,720		3,720
Common stock issued under stock plans, net of shares used for tax withholding	1	43			44
Stock-based compensation expense		406			406
Foreign currency translation adjustment				358	358
Total stockholders' equity at Jul. 31, 2019	$ 80	$ 59,475	$ (1,414)	$ (2,839)	$ 55,302
Balances at period end (in shares) at Jul. 31, 2019	8,026,372