Stockholders Equity (Details) - 2017 Plan [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Total restricted stock and stock option programs	$ 351	$ 418	$ 1,141	$ 1,025
Total income tax benefit recognized for stock-based compensation arrangements	$ 74	$ 108	$ 240	$ 266