Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Net loss attributable to common stockholders	$ (3,266)	$ (4,149)	$ (11,176)	$ (18,513)
Changes in cumulative translation adjustment	(17)	11	17	(38)
Comprehensive loss	$ (3,283)	$ (4,138)	$ (11,159)	$ (18,551)