Represents additional consideration under debt instrument.

No definition available.

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Namespace Prefix:	oig_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents cap amount of delay-related liquidated damages.

+ References

No definition available.

+ Details

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- Definition

Represents amount of liquidated damages per day.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of monthly expense of operating lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	oig_
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Balance Type:	debit
Period Type:	duration

- Definition

Represents paid-in-kind amount the company would pay.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Represents payments for working capital adjustment.

+ References

No definition available.

+ Details

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Namespace Prefix:	oig_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents reference price per share of stock issuance.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

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+ Details

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

- Details

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Period Type:

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Name:	us-gaap_DebtInstrumentAxis=oig_PrepaidAdvanceAgreementMember
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Note 20 - Subsequent Events (Details Textual) - USD ($)				1 Months Ended	9 Months Ended
Note 20 - Subsequent Events (Details Textual) - USD ($)	Nov. 10, 2022	Nov. 07, 2022	Oct. 06, 2022	Nov. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Oct. 23, 2022
Payments for Working Capital Adjustment					$ 9,500,000	$ (0)
Stock in Connection With Syndicated Debt [Member]
Stock Issued, Reference Price Per Share (in dollars per share)					$ 0.40
Syndicated Term Note [Member]
Debt Instrument, Fair Value Disclosure, Total					$ 844,000
Prepaid Advance Agreement [Member]
Debt Instrument, Fair Value Disclosure, Total					4,666,000
Debt Instrument, Additional Consideration					$ 52,500
Subsequent Event [Member]
Liquidated Damages, Amount Per Day							$ 150,000
Delay-related Liquidated Damages Cap							$ 9,400,000
Subsequent Event [Member] \| Stock in Connection With Syndicated Debt [Member]
Stock Issued During Period, Shares, New Issues (in shares)	3,685,971	3,325,010
Stock Issued, Reference Price Per Share (in dollars per share)	$ 0.2349	$ 0.30
Subsequent Event [Member] \| Syndicated Lenders [Member]
Payments for Working Capital Adjustment				$ 9,500,000
Subsequent Event [Member] \| Syndicated Lenders [Member] \| Syndicated Term Note [Member]
Paid-in-kind Amount				10,500,000
Interest Payable				$ 1,000,000.0
Subsequent Event [Member] \| New Home Office in Houston, Texas [Member]
Lessee, Operating Lease, Term of Contract (Month)			46 months
Operating Lease, Monthly Expense			$ 7,000