NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Numerator
Net income	$ 3,281	$ 1,459
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)	8,005,927	8,111,458
Effect of dilutive securities from restricted stock plan and from dilutive effect of stock options	31,092	58,943
Denominator for diluted earnings per share (adjusted weighted average shares)	8,037,019	8,170,401
Basic earnings per share	$ 0.41	$ 0.18
Diluted earnings per share	$ 0.41	$ 0.18