Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Stockholders' Equity (Details) - Schedule of share-based compensation expense by line item - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2019
Apr. 30, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement $ 199 $ 204 $ 725 $ 617
Selling, General and Administrative Expenses [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement $ 199 $ 204 $ 725 $ 617