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Accrued Expenses (Tables)
 12 Months Ended
Jul. 31, 2017
Accrued Expenses [Abstract]  
Summary of accrued expenses
July 31, 
(in thousands)		 2017  2016 
Accrued vacation $685  $494 
Accrued payroll taxes  277   210 
Accrued payroll and bonuses  250   72 
Accrued direct cost of revenues  6   111 
Accrued advertising  184   242 
Accrued income taxes  36   119 
Accrued Professional fees  130   131 
Other  272   108 
Total accrued expenses $1,840  $1,487