Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Schedule of share-based compensation expense

v2.4.1.9
Stockholders' Equity (Details) - Schedule of share-based compensation expense (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Apr. 30, 2015
Apr. 30, 2014
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]        
Stock Based Compensation Expense $ 113us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense $ 283us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense $ 319us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense $ 497us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
Options [Member]        
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]        
Stock Based Compensation Expense 104us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_StatementClassOfStockAxis
= enz_OptionsMember 		255us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_StatementClassOfStockAxis
= enz_OptionsMember 		283us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_StatementClassOfStockAxis
= enz_OptionsMember 		367us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_StatementClassOfStockAxis
= enz_OptionsMember
Restricted Stocks [Member]        
Stockholders' Equity (Details) - Schedule of share-based compensation expense [Line Items]        
Stock Based Compensation Expense $ 9us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_StatementClassOfStockAxis
= enz_RestrictedStocksMember 		$ 28us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_StatementClassOfStockAxis
= enz_RestrictedStocksMember 		$ 36us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_StatementClassOfStockAxis
= enz_RestrictedStocksMember 		$ 130us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
/ us-gaap_StatementClassOfStockAxis
= enz_RestrictedStocksMember