Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Net loss	$ (1,920)	$ (2,660)	$ (4,339)	$ (6,644)
Change in cumulative translation adjustment for liquidation of entities held for sale	295	0	295	0
Other changes in cumulative translation adjustment	5	(23)	2	34
Comprehensive loss	$ (1,620)	$ (2,683)	$ (4,042)	$ (6,610)