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Amount, after accumulated amortization, of debt discount.

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Name:	us-gaap_DebtInstrumentUnamortizedDiscount
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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

No definition available.

Name:	us-gaap_DebtLongtermAndShorttermCombinedAmount
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Name:	us-gaap_LongTermDebt
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

No definition available.

Name:	us-gaap_LongTermDebtFairValue
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Balance Type:	credit
Period Type:	instant

Name:	us-gaap_DebtInstrumentAxis=opgn_EIBMember
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Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=opgn_PPPMember
Namespace Prefix:
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Period Type:

Name:	us-gaap_DebtInstrumentAxis=opgn_MGHIFMember
Namespace Prefix:
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Balance Type:
Period Type: