CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 1,146	$ 501	$ 2,076	$ 3,386
Other comprehensive loss:
Foreign currency translation adjustments	(177)	(235)	(402)	(860)
Comprehensive income	$ 969	$ 266	$ 1,674	$ 2,526