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5. Property and Equipment (Details Narrative) (USD $)
Jul. 31, 2013
Apr. 30, 2013
Dec. 31, 2012
Jul. 31, 2012
Apr. 30, 2012
Dec. 31, 2011
Property And Equipment Details Narrative [Abstract]            
Depreciation and amortization expense $ 78,694 $ 113,794 $ 256,363 $ 62,994 $ 73,718 $ 85,662
Accumulated depreciation and amortization 648,629 569,665 455,871   229,972 229,972
Amortization expense for software $ 71,920 $ 99,855 $ 64,192 $ 55,755 $ 226,454 $ 60,290