Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Schedule of share-based compensation expense

v3.8.0.1
Stockholders' Equity (Details) - Schedule of share-based compensation expense - USD ($)
$ in Thousands
 3 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]    
Stock Based Compensation Expense $ 205 $ 151
Options [Member]    
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]    
Stock Based Compensation Expense 202 146
Restricted Stocks [Member]    
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]    
Stock Based Compensation Expense $ 3 $ 5