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INCOME TAXES - Schedule of Tax Effects of Temporary Differences that Gave Rise to Deferred Tax Assets and Liabilities (Details) - USD ($) | Jan. 31, 2016 | Jan. 31, 2015
--- | --- | ---
Assets: |  |
Net operating loss carryforwards | $ 3,345,000 |
Stock options | 2,354,000 | $ 1,649,000
Accrued expenses | 2,144,000 | 428,000
Purchased intangibles and other | 2,233,000 | 1,239,000
Total Assets | 10,076,000 | 3,316,000
Liabilities: |  |
Purchased intangibles | (4,375,000) | (2,931,000)
Construction contracts | (3,681,000) | (830,000)
Property, equipment and other | (2,244,000) | (565,000)
Total Liabilities | (10,300,000) | (4,326,000)
Net deferred tax liabilities | (224,000) | $ (1,010,000)
Net operating losses | $ 8,748,000 |

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