Stockholders Equity (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Total stock-based compensation	$ 900		$ 1,200
2017 Plan [Member]
Total stock-based compensation, other	58		27
Total stock-based compensation	835	$ (345)	1,245	$ (596)
Total income tax benefit recognized for stock-based compensation arrangements	175	(72)	262	(125)
Restricted Stock Program
Total stock-based compensation	793	$ (345)	1,143	$ (596)
Stock Options
Total stock-based compensation	$ 15		$ 44