Quarterly report pursuant to Section 13 or 15(d)

Segment reporting (Details) - Schedule of segment reporting information, by segment

v2.4.1.9
Segment reporting (Details) - Schedule of segment reporting information, by segment (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Apr. 30, 2015
Apr. 30, 2014
Revenues:        
Clinical laboratory services $ 15,657us-gaap_SalesRevenueServicesNet $ 14,542us-gaap_SalesRevenueServicesNet $ 46,204us-gaap_SalesRevenueServicesNet $ 43,250us-gaap_SalesRevenueServicesNet
Product revenues 7,906us-gaap_SalesRevenueGoodsNet 8,707us-gaap_SalesRevenueGoodsNet 23,631us-gaap_SalesRevenueGoodsNet 24,424us-gaap_SalesRevenueGoodsNet
Royalty and license fee income 423enz_RoyaltyAndLicenseFeeIncome 729enz_RoyaltyAndLicenseFeeIncome 2,067enz_RoyaltyAndLicenseFeeIncome 3,366enz_RoyaltyAndLicenseFeeIncome
Total revenues 23,986us-gaap_SalesRevenueNet 23,978us-gaap_SalesRevenueNet 71,902us-gaap_SalesRevenueNet 71,040us-gaap_SalesRevenueNet
Operating expenses:        
Cost of clinical laboratory services 9,724us-gaap_CostOfServices 9,784us-gaap_CostOfServices 29,100us-gaap_CostOfServices 28,785us-gaap_CostOfServices
Cost of product revenues 3,779us-gaap_CostOfGoodsSold 3,800us-gaap_CostOfGoodsSold 11,292us-gaap_CostOfGoodsSold 11,511us-gaap_CostOfGoodsSold
Research and development 809us-gaap_ResearchAndDevelopmentExpense 849us-gaap_ResearchAndDevelopmentExpense 2,434us-gaap_ResearchAndDevelopmentExpense 2,498us-gaap_ResearchAndDevelopmentExpense
Selling, general and administrative 10,146us-gaap_SellingGeneralAndAdministrativeExpense 10,605us-gaap_SellingGeneralAndAdministrativeExpense 30,101us-gaap_SellingGeneralAndAdministrativeExpense 31,217us-gaap_SellingGeneralAndAdministrativeExpense
Provision for uncollectible accounts receivable 589us-gaap_ProvisionForDoubtfulAccounts 684us-gaap_ProvisionForDoubtfulAccounts 1,731us-gaap_ProvisionForDoubtfulAccounts 2,468us-gaap_ProvisionForDoubtfulAccounts
Legal fee expense 1,955us-gaap_LegalFees 1,911us-gaap_LegalFees 7,225us-gaap_LegalFees 4,788us-gaap_LegalFees
Legal settlements, net (170)us-gaap_GainLossRelatedToLitigationSettlement (3,100)us-gaap_GainLossRelatedToLitigationSettlement (170)us-gaap_GainLossRelatedToLitigationSettlement (3,100)us-gaap_GainLossRelatedToLitigationSettlement
Operating income (loss) (2,846)us-gaap_OperatingIncomeLoss (555)us-gaap_OperatingIncomeLoss (9,811)us-gaap_OperatingIncomeLoss (7,127)us-gaap_OperatingIncomeLoss
Other income (expense)        
Other 26us-gaap_OtherNonoperatingIncomeExpense 10us-gaap_OtherNonoperatingIncomeExpense 28us-gaap_OtherNonoperatingIncomeExpense 85us-gaap_OtherNonoperatingIncomeExpense
Foreign exchange gain (loss) (125)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax 144us-gaap_ForeignCurrencyTransactionGainLossBeforeTax (856)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax 460us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Share-based compensation included in above:        
Share-based compensation 113us-gaap_AllocatedShareBasedCompensationExpense 283us-gaap_AllocatedShareBasedCompensationExpense 319us-gaap_AllocatedShareBasedCompensationExpense 497us-gaap_AllocatedShareBasedCompensationExpense
Clinical Labs [Member] | Cost of Clinical Laboratory Services [Member]        
Share-based compensation included in above:        
Share-based compensation 3us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		2us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		9us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		6us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Clinical Labs [Member] | Selling, General and Administrative Expenses [Member]        
Share-based compensation included in above:        
Share-based compensation 9us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		9us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		30us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		28us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Clinical Labs [Member] | Total [Member]        
Share-based compensation included in above:        
Share-based compensation 12us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		11us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		39us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		34us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Clinical Labs [Member]        
Revenues:        
Clinical laboratory services 15,657us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		14,542us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		46,204us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		43,250us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Total revenues 15,657us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		14,542us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		46,204us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		43,250us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Operating expenses:        
Cost of clinical laboratory services 9,724us-gaap_CostOfServices
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		9,784us-gaap_CostOfServices
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		29,100us-gaap_CostOfServices
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		28,785us-gaap_CostOfServices
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Research and development       14us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Selling, general and administrative 4,935us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		5,091us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		15,090us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		15,122us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Provision for uncollectible accounts receivable 631us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		684us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		1,820us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		2,448us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Legal fee expense 42us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		282us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		174us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		572us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Legal settlements, net   2,000us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		  2,000us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Total operating expenses 15,332us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		17,841us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		46,184us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		48,941us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Operating income (loss) 325us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		(3,299)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		20us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		(5,691)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Other income (expense)        
Interest (23)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		(10)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		(63)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		(32)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Other 11us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		7us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		18us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		34us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Income (loss) before income taxes 313us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		(3,302)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		(25)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		(5,689)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Depreciation and amortization included above 358us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		351us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		1,072us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		1,061us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Share-based compensation included in above:        
Capital expenditures 453us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		90us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		1,042us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember 		453us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ClinicalLabsMember
Life Sciences [Member] | Cost of Clinical Laboratory Services [Member]        
Share-based compensation included in above:        
Share-based compensation   1us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		  1us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Life Sciences [Member] | Research and Development Expense [Member]        
Share-based compensation included in above:        
Share-based compensation     2us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		1us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Life Sciences [Member] | Selling, General and Administrative Expenses [Member]        
Share-based compensation included in above:        
Share-based compensation 6us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(4)us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		9us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		5us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Life Sciences [Member] | Total [Member]        
Share-based compensation included in above:        
Share-based compensation 6us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(3)us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		11us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		7us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Life Sciences [Member]        
Revenues:        
Product revenues 7,906us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		8,707us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		23,631us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		24,424us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Royalty and license fee income 423enz_RoyaltyAndLicenseFeeIncome
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		729enz_RoyaltyAndLicenseFeeIncome
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		2,067enz_RoyaltyAndLicenseFeeIncome
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		3,366enz_RoyaltyAndLicenseFeeIncome
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Total revenues 8,329us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		9,436us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		25,698us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		27,790us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Operating expenses:        
Cost of product revenues 3,779us-gaap_CostOfGoodsSold
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		3,800us-gaap_CostOfGoodsSold
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		11,292us-gaap_CostOfGoodsSold
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		11,511us-gaap_CostOfGoodsSold
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Research and development 704us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		599us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		1,887us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		1,668us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Selling, general and administrative 3,031us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		3,278us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		8,886us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		10,098us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Provision for uncollectible accounts receivable (42)us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		  (89)us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		20us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Legal fee expense (22)us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		766us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(74)us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		803us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Legal settlements, net (170)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(5,100)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(170)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(5,100)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Total operating expenses 7,280us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		3,343us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		21,732us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		19,000us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Operating income (loss) 1,049us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		6,093us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		3,966us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		8,790us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Other income (expense)        
Interest 6us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		4us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		13us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		13us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Other 2us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(2)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(34)us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		18us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Foreign exchange gain (loss) (125)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		144us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		(856)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		460us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Income (loss) before income taxes 932us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		6,239us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		3,089us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		9,281us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Depreciation and amortization included above 543us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		614us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		1,656us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		1,876us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Share-based compensation included in above:        
Capital expenditures 58us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		36us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		122us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember 		117us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_LifeSciencesMember
Therapeutics [Member]        
Operating expenses:        
Research and development 105us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		250us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		547us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		816us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember
Total operating expenses 105us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		250us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		547us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		816us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember
Operating income (loss) (105)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		(250)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		(547)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		(816)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember
Other income (expense)        
Income (loss) before income taxes (105)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		(250)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		(547)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		(816)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember
Depreciation and amortization included above     2us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember 		6us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_TherapeuticsMember
Other Segments [Member] | Selling, General and Administrative Expenses [Member]        
Share-based compensation included in above:        
Share-based compensation 95us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		275us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		269us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		456us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Other Segments [Member] | Total [Member]        
Share-based compensation included in above:        
Share-based compensation 95us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		275us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		269us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		456us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Other Segments [Member]        
Operating expenses:        
Selling, general and administrative 2,180us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		2,236us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		6,125us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		5,997us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Legal fee expense 1,935us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		836us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		7,125us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		3,413us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Total operating expenses 4,115us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		3,099us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		13,250us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		9,410us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Operating income (loss) (4,115)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(3,099)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(13,250)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(9,410)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Other income (expense)        
Interest (41)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(41)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(126)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(142)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Other 13us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		5us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		44us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		33us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Income (loss) before income taxes (4,143)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(3,135)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(13,332)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		(9,519)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Depreciation and amortization included above 22us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		23us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		67us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		72us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember
Share-based compensation included in above:        
Capital expenditures 4us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		  4us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AllOtherSegmentsMember 		 
Consolidated [Member] | Cost of Clinical Laboratory Services [Member]        
Share-based compensation included in above:        
Share-based compensation 3us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		3us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		9us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		7us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Consolidated [Member] | Research and Development Expense [Member]        
Share-based compensation included in above:        
Share-based compensation     2us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		1us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Consolidated [Member] | Selling, General and Administrative Expenses [Member]        
Share-based compensation included in above:        
Share-based compensation 110us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		280us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		308us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		489us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Consolidated [Member] | Total [Member]        
Share-based compensation included in above:        
Share-based compensation 113us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		283us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		319us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		497us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_TotalMember
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Consolidated [Member]        
Revenues:        
Clinical laboratory services 15,657us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		14,542us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		46,204us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		43,250us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Product revenues 7,906us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		8,707us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		23,631us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		24,424us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Royalty and license fee income 423enz_RoyaltyAndLicenseFeeIncome
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		729enz_RoyaltyAndLicenseFeeIncome
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		2,067enz_RoyaltyAndLicenseFeeIncome
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		3,366enz_RoyaltyAndLicenseFeeIncome
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Total revenues 23,986us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		23,978us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		71,902us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		71,040us-gaap_SalesRevenueNet
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Operating expenses:        
Cost of clinical laboratory services 9,724us-gaap_CostOfServices
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		9,784us-gaap_CostOfServices
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		29,100us-gaap_CostOfServices
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		28,785us-gaap_CostOfServices
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Cost of product revenues 3,779us-gaap_CostOfGoodsSold
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		3,800us-gaap_CostOfGoodsSold
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		11,292us-gaap_CostOfGoodsSold
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		11,511us-gaap_CostOfGoodsSold
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Research and development 809us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		849us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		2,434us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		2,498us-gaap_ResearchAndDevelopmentExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Selling, general and administrative 10,146us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		10,605us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		30,101us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		31,217us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Provision for uncollectible accounts receivable 589us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		684us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		1,731us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		2,468us-gaap_ProvisionForDoubtfulAccounts
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Legal fee expense 1,955us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		1,911us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		7,225us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		4,788us-gaap_LegalFees
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Legal settlements, net (170)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(3,100)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(170)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(3,100)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Total operating expenses 26,832us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		24,533us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		81,713us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		78,167us-gaap_CostsAndExpenses
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Operating income (loss) (2,846)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(555)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(9,811)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(7,127)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Other income (expense)        
Interest (58)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(47)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(176)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(161)us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Other 26us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		10us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		28us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		85us-gaap_OtherNonoperatingIncomeExpense
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Foreign exchange gain (loss) (125)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		144us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(856)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		460us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Income (loss) before income taxes (3,003)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(448)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(10,815)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		(6,743)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Depreciation and amortization included above 923us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		988us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		2,797us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		3,015us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Share-based compensation included in above:        
Capital expenditures 515us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		126us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		1,168us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember 		570us-gaap_PaymentsForProceedsFromProductiveAssets
/ us-gaap_StatementBusinessSegmentsAxis
= enz_ConsolidatedMember
Cost of Clinical Laboratory Services [Member]        
Share-based compensation included in above:        
Share-based compensation 3us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember 		3us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember 		9us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember 		7us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= enz_CostOfClinicalLaboratoryServicesMember
Research and Development Expense [Member]        
Share-based compensation included in above:        
Share-based compensation     2us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember 		1us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
Selling, General and Administrative Expenses [Member]        
Share-based compensation included in above:        
Share-based compensation $ 110us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember 		$ 280us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember 		$ 308us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember 		$ 489us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember