Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v2.4.1.9
Commitments and Contingencies - Additional Information (Detail) (USD $)
1 Months Ended 12 Months Ended
Oct. 31, 2013
sqft
Dec. 31, 2014
Tampa Facility [Member]    
Commitment And Contingencies [Line Items]    
Period of lease 39 months  
Rent expense   $ 76,000us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= ogen_TampaFacilityMember
Area of Office Space Leased 4,168us-gaap_AreaOfRealEstateProperty
/ us-gaap_LeaseArrangementTypeAxis
= ogen_TampaFacilityMember
 
Lease expiration date   Feb. 28, 2017
Tampa Facility [Member] | Minimum [Member]    
Commitment And Contingencies [Line Items]    
Monthly lease payments 6,426ogen_OperatingLeasesMonthlyRentPayment
/ us-gaap_LeaseArrangementTypeAxis
= ogen_TampaFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Tampa Facility [Member] | Maximum [Member]    
Commitment And Contingencies [Line Items]    
Monthly lease payments 6,818ogen_OperatingLeasesMonthlyRentPayment
/ us-gaap_LeaseArrangementTypeAxis
= ogen_TampaFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Alachua Facility [Member]    
Commitment And Contingencies [Line Items]    
Period of expired lease   3 years
Period of lease   5 years
Expiration period   2014-12
Rent expense   119,000us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= ogen_AlachuaFacilityMember
Alachua Facility [Member] | Minimum [Member]    
Commitment And Contingencies [Line Items]    
Monthly lease payments   9,641ogen_OperatingLeasesMonthlyRentPayment
/ us-gaap_LeaseArrangementTypeAxis
= ogen_AlachuaFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Alachua Facility [Member] | Maximum [Member]    
Commitment And Contingencies [Line Items]    
Monthly lease payments   10,851ogen_OperatingLeasesMonthlyRentPayment
/ us-gaap_LeaseArrangementTypeAxis
= ogen_AlachuaFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
UFRF License Agreements [Member]    
Commitment And Contingencies [Line Items]    
Company's obligation to pay from percentage of selling price of product   5.00%ogen_RoyaltyPaymentPercentage
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
Company's obligation to pay from all revenue received from sublicenses   22.00%ogen_RoyaltyPaymentPercentageSublicenses
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
One-time commercialization fee monthly amount for calculation   5,000ogen_MonthlyCalculationOfCommercializationFee
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
Post-commercialization minimum royalty payments   50,000ogen_AnnualMinimumRoyaltyPaymentsPostCommercialization
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
One-time additional royalty payment would be due when total cumulative royalties paid to UFRF exceed amount   2,000,000ogen_AdditionalRoyaltyPaymentConditionRoyaltyPaidMinimum
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
One-time additional payment to UFRF as a percentage of total royalties due to UFRF   10.00%ogen_AdditionalRoyaltyPaymentConditionAggregateRoyaltyPercentage
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
Minimum annual maintenance payment per license agreement   10,000ogen_MinimumAnnualMaintenancePaymentsEachLicenseAgreement
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
Aggregate minimum annual maintenance payment   20,000ogen_AggregateMinimumAnnualMaintenancePayment
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
Quarterly maintenance payment to UFRF under installment plan   5,000ogen_MinimumQuarterlyMaintenancePayment
/ us-gaap_TypeOfArrangementAxis
= ogen_UniversityOfFloridaResearchFoundationLicensesMember
Termination notice period   90 days
Texas A and M University License [Member]    
Commitment And Contingencies [Line Items]    
Company's obligation to pay from percentage of selling price of product   5.00%ogen_RoyaltyPaymentPercentage
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Post-commercialization minimum royalty payments   100,000ogen_AnnualMinimumRoyaltyPaymentsPostCommercialization
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Initial payment to Texas A&M   5,000ogen_InitialPaymentForLicensingAgreement
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Minimum consideration for the continuation of the license agreement   15,000ogen_MinimumConsiderationForContinuationOfLicenseAgreement
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Annual maintenance payment under licensing agreement with Texas A&M   100,000ogen_AnnualMaintenancePaymentUnderLicensingAgreement
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Maximum period to cure the breach   60 days
Termination notice period   90 days
Texas A and M University License [Member] | Phase II Clinical Trial [Member]    
Commitment And Contingencies [Line Items]    
Date of milestone achievement under licensing agreement with Texas A&M   Jun. 01, 2019
Milestone payment under licensing agreement   100,000ogen_LicenseAgreementFutureMilestonePayment
/ us-gaap_ProductOrServiceAxis
= ogen_PhaseTwoClinicalTrialMember
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Texas A and M University License [Member] | Phase III Clinical Trial [Member]    
Commitment And Contingencies [Line Items]    
Date of milestone achievement under licensing agreement with Texas A&M   Jun. 01, 2022
Milestone payment under licensing agreement   150,000ogen_LicenseAgreementFutureMilestonePayment
/ us-gaap_ProductOrServiceAxis
= ogen_PhaseThreeClinicalTrialMember
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Texas A and M University License [Member] | Phase I Clinical Trial [Member]    
Commitment And Contingencies [Line Items]    
Date of milestone achievement under licensing agreement with Texas A&M   Jun. 01, 2015
Milestone payment under licensing agreement   50,000ogen_LicenseAgreementFutureMilestonePayment
/ us-gaap_ProductOrServiceAxis
= ogen_PhaseOneClinicalTrialMember
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Texas A and M University License [Member] | Sale Of Licensed Technology [Member]    
Commitment And Contingencies [Line Items]    
Date of milestone achievement under licensing agreement with Texas A&M   Jun. 01, 2025
Milestone payment under licensing agreement   400,000ogen_LicenseAgreementFutureMilestonePayment
/ us-gaap_ProductOrServiceAxis
= ogen_SaleOfLicensedTechnologyMember
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Texas A and M University License [Member] | Minimum [Member]    
Commitment And Contingencies [Line Items]    
Company's obligation to pay from percentage of selling price of product   2.00%ogen_RoyaltyPaymentPercentage
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_TypeOfArrangementAxis
= ogen_TexasaAndMuniversityLicenseMember
Lantibiotic Exclusive Channel Collaboration (ECC) [Member]    
Commitment And Contingencies [Line Items]    
Company's obligation to pay from percentage of selling price of product   25.00%ogen_RoyaltyPaymentPercentage
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Company's obligation to pay from all revenue received from sublicenses   50.00%ogen_RoyaltyPaymentPercentageSublicenses
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Number of shares issued   4,392,425us-gaap_StockIssuedDuringPeriodSharesIssuedForNoncashConsideration
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Maximum percentage of primary investment securities to investment of shares issued   10.00%ogen_MaximumPercentageOfPrimaryInvestmentSecuritiesToInvestmentOfSharesIssued
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Number of milestones achieved   0ogen_NumberOfMilestonesAchieved
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Termination notice period   90 days
Lantibiotic Exclusive Channel Collaboration (ECC) [Member] | Investigational New Drug Application [Member]    
Commitment And Contingencies [Line Items]    
Percentage of number of shares of common stock equal to Base Shares   1.00%ogen_PercentageOfBaseSharesEqualToNumberOfSharesForCommonStock
/ us-gaap_ProductOrServiceAxis
= ogen_InvestigationalNewDrugApplicationMember
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Lantibiotic Exclusive Channel Collaboration (ECC) [Member] | Clinical Study Phase 2 [Member]    
Commitment And Contingencies [Line Items]    
Percentage of number of shares of common stock equal to Base Shares   1.50%ogen_PercentageOfBaseSharesEqualToNumberOfSharesForCommonStock
/ us-gaap_ProductOrServiceAxis
= ogen_ClinicalStudyPhaseTwoMember
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Lantibiotic Exclusive Channel Collaboration (ECC) [Member] | Clinical Study Phase 3 [Member]    
Commitment And Contingencies [Line Items]    
Percentage of number of shares of common stock equal to Base Shares   2.00%ogen_PercentageOfBaseSharesEqualToNumberOfSharesForCommonStock
/ us-gaap_ProductOrServiceAxis
= ogen_ClinicalStudyPhaseThreeMember
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Lantibiotic Exclusive Channel Collaboration (ECC) [Member] | Filing of First Investigational New Drug Application [Member]    
Commitment And Contingencies [Line Items]    
Percentage of number of shares of common stock equal to Base Shares   2.50%ogen_PercentageOfBaseSharesEqualToNumberOfSharesForCommonStock
/ us-gaap_ProductOrServiceAxis
= ogen_FilingOfFirstInvestigationalNewDrugApplicationMember
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
Lantibiotic Exclusive Channel Collaboration (ECC) [Member] | First Regulatory Approval of Oragenics Product [Member]    
Commitment And Contingencies [Line Items]    
Percentage of number of shares of common stock equal to Base Shares   3.00%ogen_PercentageOfBaseSharesEqualToNumberOfSharesForCommonStock
/ us-gaap_ProductOrServiceAxis
= ogen_FirstRegulatoryApprovalOfOragenicsProductMember
/ us-gaap_TypeOfArrangementAxis
= ogen_LantibioticEccMember
LBPs ECC [Member]    
Commitment And Contingencies [Line Items]    
Company's obligation to pay from percentage of selling price of product   10.00%ogen_RoyaltyPaymentPercentage
/ us-gaap_TypeOfArrangementAxis
= ogen_LbpsEccMember
Maximum period to cure the breach   60 days
Number of milestones achieved   0ogen_NumberOfMilestonesAchieved
/ us-gaap_TypeOfArrangementAxis
= ogen_LbpsEccMember
Termination notice period   90 days
LBPs ECC [Member] | Phase II Clinical Trial [Member]    
Commitment And Contingencies [Line Items]    
Milestone payment under licensing agreement   2,000,000ogen_LicenseAgreementFutureMilestonePayment
/ us-gaap_ProductOrServiceAxis
= ogen_PhaseTwoClinicalTrialMember
/ us-gaap_TypeOfArrangementAxis
= ogen_LbpsEccMember
Milestone measurement period   30 days
LBPs ECC [Member] | Phase III Clinical Trial [Member]    
Commitment And Contingencies [Line Items]    
Milestone payment under licensing agreement   5,000,000ogen_LicenseAgreementFutureMilestonePayment
/ us-gaap_ProductOrServiceAxis
= ogen_PhaseThreeClinicalTrialMember
/ us-gaap_TypeOfArrangementAxis
= ogen_LbpsEccMember
Milestone measurement period   30 days
LBPs ECC [Member] | Sale Of Licensed Technology [Member]    
Commitment And Contingencies [Line Items]    
Milestone payment under licensing agreement   $ 10,000,000ogen_LicenseAgreementFutureMilestonePayment
/ us-gaap_ProductOrServiceAxis
= ogen_SaleOfLicensedTechnologyMember
/ us-gaap_TypeOfArrangementAxis
= ogen_LbpsEccMember
Milestone measurement period   30 days