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Commitments - Schedule of Future Minimum Lease Payments for the Operating Leases of Continuing Operations (Detail) (USD $) | Jan. 31, 2014
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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

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