Gross proceeds from issuance of common stock.

No definition available.

Name:	opgn_GrossProceedsFromIssuanceOfCommonStock
Namespace Prefix:	opgn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
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+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from the additional capital contribution to the entity.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of new stock issued during the period.

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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Events (Details) - USD ($)	1 Months Ended	3 Months Ended
Subsequent Events (Details) - USD ($)	Apr. 22, 2020	Mar. 31, 2020	Mar. 31, 2019
Subsequent Event [Line Items]
Proceeds from issuance of common stock, net of issuance costs		$ 5,477,432	$ 4,782,509
Subsequent Event [Member]
Subsequent Event [Line Items]
Interest accrues on notes	1.00%
Note term	18 months
Subsequent Event [Member] \| Term Note [Member]
Subsequent Event [Line Items]
Principal amount note	$ 879,630
Subsequent Event [Member] \| Term Note [Member] \| Subsidiaries Note [Member]
Subsequent Event [Line Items]
Principal amount note	$ 259,353
2020 ATM Offering [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Stock issued during period, shares, new issues		358,452
Proceeds from issuance of common stock, net of issuance costs		$ 942,000
Gross proceeds from sale of common stock		$ 974,000