Quarterly report pursuant to Section 13 or 15(d)

Supplemental disclosure for statement of cash flows (Details)

v2.4.1.9
Supplemental disclosure for statement of cash flows (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Supplemental Cash Flow Elements [Abstract]    
Income Taxes Paid $ 103us-gaap_IncomeTaxesPaid $ 33us-gaap_IncomeTaxesPaid
Interest Paid 153us-gaap_InterestPaid 161us-gaap_InterestPaid
Installment Loans Financed Amount 388enz_InstallmentLoansFinancedAmount 246enz_InstallmentLoansFinancedAmount
Capital Lease Obligation Cost Basis 147enz_CapitalLeaseObligationCostBasis  
Adjustment to Additional Paid in Capital Stock Option Issued in Lieu of Cash Payment 45enz_AdjustmentToAdditionalPaidInCapitalStockOptionIssuedInLieuOfCashPayment  
Stock Issued During Period, Value, Employee Benefit Plan $ 663us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan $ 636us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan