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Stockholders' Equity (Details) (USD $)
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6 Months Ended | |||
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Jan. 31, 2015
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Jan. 31, 2014
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Dec. 31, 2014
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Jul. 31, 2014
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| Stockholders' Equity (Details) [Line Items] | ||||
| Common Stock, Par or Stated Value Per Share (in Dollars per share) | $ 0.01us-gaap_CommonStockParOrStatedValuePerShare | $ 0.01us-gaap_CommonStockParOrStatedValuePerShare | ||
| Maximum Offering Price Under Sales Agreement | $ 20,000,000enz_MaximumOfferingPriceUnderSalesAgreement | $ 20,000,000enz_MaximumOfferingPriceUnderSalesAgreement | ||
| Percentage of Commission Payable on Equity Offering | 3.00%enz_PercentageOfCommissionPayableOnEquityOffering | |||
| Average Sale Price of Stock (in Dollars per share) | $ 4.89enz_AverageSalePriceOfStock | $ 2.59enz_AverageSalePriceOfStock | ||
| Proceeds from Issuance of Common Stock | 5,341,000us-gaap_ProceedsFromIssuanceOfCommonStock | 4,244,000us-gaap_ProceedsFromIssuanceOfCommonStock | ||
| Stock Offering and Commissions Expenses | 169,000enz_StockOfferingAndCommissionsExpenses | 131,000enz_StockOfferingAndCommissionsExpenses | ||
| Excess Tax Benefit from Share-based Compensation, Financing Activities | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | ||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options | 700,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions | |||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | 21 months | |||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | 100,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized | |||
| Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Outstanding Weighted Average Remaining Contractual Terms | 18 months | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | 1,298,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | $ 43,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 | $ 381,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 | ||
| Common Stock [Member] | ||||
| Stockholders' Equity (Details) [Line Items] | ||||
| Stock Issued During Period, Shares, New Issues (in Shares) |
1,126,804us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
1,686,413us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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- Definition
Average sale price of stock. No definition available.
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| X | ||||||||||
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- Definition
Maximum offering price under sales agreement. No definition available.
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| X | ||||||||||
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- Definition
Percentage of commission payable on equity offering. No definition available.
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for equity-based awards excluding options of non vested, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Stock offering and commissions expenses. No definition available.
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| X | ||||||||||
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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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| X | ||||||||||
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- Definition
Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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