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INVESTMENT IN MARKETABLE SECURITIES (Details Narrative) | Jun. 30, 2025
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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
Period Type: | duration