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Stock-Based Compensation (Details 2) (USD $)
6 Months Ended 12 Months Ended
Jan. 31, 2013
Jul. 31, 2012
Outstanding, Option, Beginning 172,500 845,836
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 0 5,851,696
Vested (86,250) 6,322,532
Forfeited (2,500) 202,500
Options Outstanding, Ending 83,750 172,500
Outstanding, Weighted Average Grant Date Fair Value, Beginning $ 0.46 $ 0.5
Granted, Weighted Average Grant Date Fair Value $ 0.00 $ 0.001
Vested, Weighted Average Grant Date Fair Value $ 0.46 $ 0.04
Forfeited, Weighted Average Grant Date Fair Value $ 0.46 $ 0.46
Outstanding, Weighted Average Grant Date Fair Value, Ending $ 0.46 $ 0.46