Annual report pursuant to Section 13 and 15(d)

Supplemental disclosure for statement of cash flows (Details)

v3.10.0.1
Supplemental disclosure for statement of cash flows (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2016
Supplemental Cash Flow Elements [Abstract]      
Income Taxes Paid $ 65 $ 1,021 $ 279
Interest Paid, Including Capitalized Interest, Operating and Investing Activities 76 119 121
Installment Loans Financed Amount $ 0 $ 69 95
Capital Lease Obligation Cost Basis     $ 1,280