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Short Term Notes Payable - Summary of Short Term Notes Payable (Detail) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Short-term Debt [Line Items] | ||
| Short term notes payable | $ 64,840us-gaap_ShortTermNonBankLoansAndNotesPayable | $ 64,051us-gaap_ShortTermNonBankLoansAndNotesPayable |
| Product Liability Insurance Financing [Member] | ||
| Short-term Debt [Line Items] | ||
| Short term notes payable |
5,195us-gaap_ShortTermNonBankLoansAndNotesPayable / us-gaap_ShortTermDebtTypeAxis = ogen_ProductLiabilityInsuranceFinancingMember |
5,127us-gaap_ShortTermNonBankLoansAndNotesPayable / us-gaap_ShortTermDebtTypeAxis = ogen_ProductLiabilityInsuranceFinancingMember |
| Directors' and Officers' Liability Insurance Financing [Member] | ||
| Short-term Debt [Line Items] | ||
| Short term notes payable |
$ 59,645us-gaap_ShortTermNonBankLoansAndNotesPayable / us-gaap_ShortTermDebtTypeAxis = ogen_DirectorsAndOfficerLiabilityInsuranceMember |
$ 58,924us-gaap_ShortTermNonBankLoansAndNotesPayable / us-gaap_ShortTermDebtTypeAxis = ogen_DirectorsAndOfficerLiabilityInsuranceMember |
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- Definition
Carrying amount at the balance sheet date of borrowings from a creditor other than a bank, not elsewhere specified in the taxonomy, with a maturity within one year (or within one operating cycle if longer) from the date of borrowing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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