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Asset Sales (Details) (USD $)
Jul. 31, 2013
Jan. 31, 2013
Inventory $ 0 $ 85,170
Other current asset 0 10,024
Property and equipment 205,468 717,988
Total assets of discontinued operations 205,468 813,182
Liabilities of discontinued operations:    
Accounts payable 0 2,759
Other liabilities 0 22,282
Total liabilities of discontinued operations 0 25,041
Net assets of discontinued operations $ 205,468 $ 788,141