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Provision for Income Taxes (Detail)
12 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Provision For Income Tax [Line Items]    
Tax computed at the statutory rate (34%) 0.34% 0.34%
Stock options (0.18%) (0.06%)
Accrual to cash 0.00% 0.00%
Warrant liability 0.00% 0.00%
Impairment Loss 0.00% 0.00%
Non-cash stock compensation 0.00% 0.00%
Change in valuation (0.16%) (0.28%)
Provision for income tax 0.00% 0.00%