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INVESTMENT IN MARKETABLE SECURITIES (Details Narrative)	Jun. 30, 2025
Investments, Debt and Equity Securities [Abstract]
Equity security percentage	99.00%

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- Definition

Equity security percentage.

+ References

No definition available.

+ Details

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

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
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