Commitments - Schedule of Future Minimum Lease Payments for the Operating Leases of Continuing Operations (Detail) (USD $)	Jan. 31, 2014
Commitments And Contingencies Disclosure [Abstract]
2015	$ 181,000
2016	183,000
2017	182,000
2018	89,000
2019	89,000
Thereafter	81,000
Total	$ 805,000