LEASES (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2019	Apr. 30, 2018
Lease, practical expedients	true
Operating leases, options to extend	true
Operating leases, options to terminate	true
Operating lease expense	$ 0.2
Weighted average lease term	42 months
Weighted average discount rate	4.50%
Costs of Revenues
Rent expense	$ 1.0	$ 4.8
Selling, General and Administrative Expenses
Rent expense	$ 0.2	$ 0.2