EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Numerator
Net income	$ 1,459	$ 440
Denominator
Denominator for basic earnings per share (weighted-average shares which reflect 362,840 shares in the treasury at January 31, 2019 and 356,441 shares in the treasury at January 31, 2018)	8,111,458	7,638,264
Effect of dilutive securities from restricted stock plan and from dilutive effect of stock options	58,943	53,289
Denominator for diluted earnings per share (adjusted weighted average shares)	8,170,401	7,691,553
Basic earnings per share	$ 0.18	$ 0.06
Diluted earnings per share	$ 0.18	$ 0.06