Operating Leases (Details) - USD ($)	3 Months Ended		12 Months Ended
	Oct. 31, 2018	Jul. 31, 2018	Jan. 31, 2019	Jan. 31, 2018
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Loss on exit of operating lease			$ 1,034,000
Rent and leasing expense			964,000	$ 1,234,000
NEW YORK
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Total due			478,000
Loss on exit of operating lease		$ 472,000
Total sublease rentals to be received		384,000	$ 216,000
Loss on disposal of fixed assets		$ (48,000)
GEORGIA
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Loss on exit of operating lease	$ 562,000
Broker commissions	275,000
Loss on disposal of fixed assets	499,000
Loss on write-off of lease incentive liability	$ 239,000