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3. Discontinued Operations (Details - result of operations) - USD ($)
3 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]    
Office and miscellaneous $ 0 $ (498)
Gain on sale of investment 0 200,528
Total Income (Expense) 0 200,030
Gain (Loss) from Discontinued Operations, Net of Tax Benefits $ 0 $ 200,030