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3. Discontinued Operations (Details - result of operations) - USD ($)
3 Months Ended 6 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Jan. 31, 2018
Jan. 31, 2017
Discontinued Operations and Disposal Groups [Abstract]        
Office and miscellaneous     $ 0 $ (498)
Gain on sale of investment $ 0 $ 0 0 200,528
Total Income (Expense)     0 200,030
Gain (Loss) from Discontinued Operations, Net of Tax Benefits $ 0 $ 0 $ 0 $ 200,030