Quarterly report pursuant to Section 13 or 15(d)

Net loss per share (Details)

v2.4.1.9
Net loss per share (Details)
3 Months Ended 6 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Jan. 31, 2015
Jan. 31, 2014
Unvested Restricted Stock [Member]        
Net loss per share (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_UnvestedRestrictedStockMember
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_UnvestedRestrictedStockMember
18,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_UnvestedRestrictedStockMember
22,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_UnvestedRestrictedStockMember
In the Money Stock Options [Member]        
Net loss per share (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 411,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_InTheMoneyStockOptionsMember
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_InTheMoneyStockOptionsMember
438,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_InTheMoneyStockOptionsMember
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_InTheMoneyStockOptionsMember
Outstanding Options [Member]        
Net loss per share (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 52,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_OutstandingOptionsMember
1,341,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_OutstandingOptionsMember
97,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_OutstandingOptionsMember
1,032,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementClassOfStockAxis
= enz_OutstandingOptionsMember