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Statement - Consolidated Statements of Cashflows (Unaudited) (Parenthetical) - USD ($) | Sep. 30, 2023 | Jun. 30, 2023 | Sep. 30, 2022 | Jun. 30, 2022
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Statement of Cash Flows [Abstract] |  |  |  |
Unrestricted Cash at Beginning of Year |  | $ 1,093,758 |  | $ 2,550,021
Restricted Cash at Beginning of Year |  | $ 8,057,458 |  | $ 6,605,056
Restricted Cash at End of Period | $ 14,204,127 |  | $ 6,471,488 |
Unrestricted Cash at End of Period | $ 90,773 |  | $ 963,649 |

X
- Definition Restricted Cash at Beginning of Year + References No definition available. + Details
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Namespace Prefix: | icmb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Restricted Cash at End of Period + References No definition available. + Details
Name: | icmb_RestrictedCashAtEndOfPeriod
Namespace Prefix: | icmb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Unrestricted Cash at Beginning of Year + References No definition available. + Details
Name: | icmb_UnrestrictedCashAtBeginningOfYear
Namespace Prefix: | icmb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Unrestricted Cash at End of Period + References No definition available. + Details
Name: | icmb_UnrestrictedCashAtEndOfPeriod
Namespace Prefix: | icmb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration