Annual report pursuant to Section 13 and 15(d)

Supplemental disclosure for statement of cash flows (Details)

v3.5.0.2
Supplemental disclosure for statement of cash flows (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Jul. 31, 2014
Supplemental disclosure for statement of cash flows (Details) [Line Items]      
Income Taxes Paid $ 279 $ 115 $ 44
Interest Paid 121 206 208
Installment Loans Financed Amount 95 346 392
Capital Lease Obligation Cost Basis 1,280 155  
Adjustment to Additional Paid in Capital Stock Option Issued in Lieu of Cash Payment 0 45 136
Stock Issued During Period, Value, Employee Benefit Plan 709 662 636
401 (K) Plan [Member]      
Supplemental disclosure for statement of cash flows (Details) [Line Items]      
Stock Issued During Period, Value, Employee Benefit Plan $ 709 $ 663 $ 636