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Income Taxes - Schedule of Tax Effects of Temporary Differences that Gave Rise to Deferred Tax Assets and Liabilities (Detail) (USD $) | Jan. 31, 2014 | Jan. 31, 2013
--- | --- | ---
Assets: |  |
Purchased intangibles | $ 1,255,000 | $ 1,407,000
Stock options | 1,623,000 | 1,675,000
Accrued liabilities | 514,000 | 855,000
Moxie Project net operating losses |  | 432,000
Other | 50,000 | 144,000
Total Asset | 3,442,000 | 4,513,000
Liabilities: |  |
Purchased intangibles | (2,563,000) | (2,258,000)
Property and equipment | (612,000) | (581,000)
Long-term contracts | (313,000) |
Other | (68,000) | (35,000)
Total Liabilities | (3,556,000) | (2,874,000)
Net deferred tax (liabilities) assets | $ (114,000) | $ 1,639,000

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