Quarterly report pursuant to Section 13 or 15(d)

Loan Payable (Details)

v2.4.1.9
Loan Payable (Details) (USD $)
6 Months Ended
Jan. 31, 2015
Jul. 31, 2014
Debt Disclosure [Abstract]    
Line of Credit Facility Expiration Month and Year December 2016  
Line of Credit Facility, Maximum Borrowing Capacity $ 8,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity  
Line of Credit Facility Additional Borrowings Capacity 4,000,000enz_LineOfCreditFacilityAdditionalBorrowingsCapacity  
Unamortized Debt Issuance Expense 281,000us-gaap_UnamortizedDebtIssuanceExpense  
Debt Instrument, Description of Variable Rate Basis three month LIBOR rate, with a floor of 1.25% plus an applicable margin of 4.0%  
LIBOR Rate Period 3 months  
Debt Instrument, Basis Spread on Variable Rate 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1  
Debt Instrument Margin on Variable Rate 4.00%enz_DebtInstrumentMarginOnVariableRate  
Debt Instrument Increase in Interest Rate on Default 3.00%enz_DebtInstrumentIncreaseInInterestRateOnDefault  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage  
Line of Credit Facility Minimum Borrowings 2,000,000enz_LineOfCreditFacilityMinimumBorrowings  
Long-term Line of Credit 3,013,000us-gaap_LineOfCredit 3,013,000us-gaap_LineOfCredit
Line of Credit Facility, Remaining Borrowing Capacity $ 1,900,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity