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Income Tax (Details Textual)
12 Months Ended
Jul. 31, 2017
USD ($)
Income Tax (Textual)  
U.S. federal income tax rate 21.00%
Cumulative tax effect, rate 21.00%
Net operating loss carry forwards $ 634,000
Future taxable income, term

Future taxable income from the year 2018 to 2036.

Income tax examinations, description

The Company is no longer subject to U.S. federal, Nevada, Texas and local income tax examinations by tax authorities for years before 2012.