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Deferred Tax Assets (Detail) (USD $)
Jan. 31, 2014
Jan. 31, 2013
Deferred Tax Assets Operating Loss Carry forwards Component [Line Items]    
NOL carry forward $ 3,575,748 $ 3,967,114
Stock options - exercisable 1,164,135 741,971
Contribution carryforward 6,018 8,740
Warrant liability 0 0
State income taxes 272 544
Accrual to cash (179,000) (243,300)
State income taxes, deferred (403,535) (310,478)
Net deferred tax asset 4,163,638 4,164,591
Valuation allowance (4,163,638) (4,164,591)
Deferred Tax Assets Total $ 0 $ 0