Income Taxes (Details) - Schedule of Unrecognized Tax Benefits Roll Forward - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
Schedule of Unrecognized Tax Benefits Roll Forward [Abstract]
Unrecognized tax benefits, beginning of period	$ 7,370	$ 9,232
Changes for prior years’ tax positions	1	66
Changes for current year tax positions		138
Unrecognized tax benefits, end of period	$ 7,371	$ 9,436