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BANK LOAN (Details Narrative) - USD ($)			6 Months Ended		12 Months Ended
	Mar. 02, 2020	Nov. 14, 2016	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Short-term Debt [Line Items]
Interest expense on loan			$ 5,712	$ 5,664	$ 10,891	$ 11,991	$ 16,194
PT Bank UOB Indonesia [Member]
Short-term Debt [Line Items]
[custom:ReductionInCashDepositForPledgingOfLoan-0]	$ 1,000,000
PT Bank UOB Indonesia [Member] | Minimum [Member]
Short-term Debt [Line Items]
[custom:LineOfCreditFacilityReductionAmount]	1,900,000
PT Bank UOB Indonesia [Member] | Maximum [Member]
Short-term Debt [Line Items]
[custom:LineOfCreditFacilityReductionAmount]	1,000,000
PT Green World Nusantara [Member]
Short-term Debt [Line Items]
Bank loan, renewable term		1 year
Floating interest rate spread		100.00%
Cash deposit for pledging of loan		$ 2,000,000
PT Green World Nusantara [Member] | Bank Overdrafts [Member]
Short-term Debt [Line Items]
Maximum amount available under credit facility		$ 1,900,000
GWN [Member]
Short-term Debt [Line Items]
Maximum amount available under credit facility	1,000,000
Bank loan, renewable term		1 year
Floating interest rate spread		1.00%
Cash deposit for pledging of loan		$ 2,000,000
GWN [Member] | Minimum [Member]
Short-term Debt [Line Items]
Maximum amount available under credit facility	1,000,000
GWN [Member] | Maximum [Member]
Short-term Debt [Line Items]
Maximum amount available under credit facility	$ 1,900,000
GWN [Member] | Bank Overdrafts [Member]
Short-term Debt [Line Items]
Maximum amount available under credit facility		$ 1,900,000

X

- Definition

Line of credit facility, reduction amount.

+ References

No definition available.

+ Details

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

X

- Definition

Reduction in cash deposit for pledging of loan.

+ References

No definition available.

+ Details

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Namespace Prefix:	INDO_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Represents the information pertaining to renewable term of bank loan.

+ References

No definition available.

+ Details

Name:	INDO_RenewableTermOfBankLoan
Namespace Prefix:	INDO_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

This element represents interest incurred for borrowed money which was used to produce goods or render services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

+ Details

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

X

- Definition

Maximum amount borrowed under the credit facility at any time during the period.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8,17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

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- Details

Name:	srt_RangeAxis=srt_MinimumMember
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Period Type:

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- Details

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

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

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- Details

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