Ratio applied to the debt service coverage ratio.

No definition available.

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Namespace Prefix:	iccc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of interest payments term.

+ References

No definition available.

+ Details

Name:	iccc_InterestPaymentsTerm
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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

The ratio of loan to value.

+ References

No definition available.

+ Details

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Data Type:	dtr:percentItemType
Balance Type:	na
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- 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

Name:	us-gaap_DebtConversionLineItems
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Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
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Balance Type:	na
Period Type:	duration

- Definition

Amount, before accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
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-Section 50
-Paragraph 1
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
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-Paragraph 1
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Period Type:	instant

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10))
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-Topic 954
-SubTopic 440
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-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478522/954-440-50-1

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of undisbursed portion of financing receivable balance. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-3

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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Period Type:	instant

- Definition

The amount of the related debt discount at the end of the accounting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 470
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481212/470-30-50-1

+ Details

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

- Definition

This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Subparagraph (a)
-Paragraph 4
-SubTopic 20
-Topic 860
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-4

+ Details

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

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(i)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

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

- Details

Name:	srt_ProductOrServiceAxis=iccc_GorhamSavingsBankMember
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- Details

Name:	us-gaap_DebtInstrumentAxis=iccc_BankLoansMember
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- Details

Name:	srt_RangeAxis=srt_MinimumMember
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- Details

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- Details

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Bank Debt (Details)			3 Months Ended			9 Months Ended	12 Months Ended
Bank Debt (Details)	Sep. 30, 2027	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2026 USD ($)	Dec. 31, 2025	Dec. 31, 2024 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2022 USD ($)
Bank Debt [Line Items]
Bearing interest percentage								3.53%		3.58%
Mortgage debt										$ 2,000,000
Line of credit					$ 1,000,000			$ 1,000,000
Debt issuance costs								173,305
Gorham Savings Bank [Member]
Bank Debt [Line Items]
Debt financing					8,600,000
Bank Loans [Member]
Bank Debt [Line Items]
Line of credit								1,000,000
Minimum [Member]
Bank Debt [Line Items]
Balloon principal payment								3,145,888
Outstanding principal balance								4,233,957
Maximum [Member]
Bank Debt [Line Items]
Balloon principal payment								3,687,608
Outstanding principal balance								$ 6,233,957
Loan #1 [Member]
Bank Debt [Line Items]
Balloon principal payment					3,145,888
Loan #1 [Member] \| Gorham Savings Bank [Member]
Bank Debt [Line Items]
Escrow account					$ 5,100,000
Bearing interest percentage					3.50%
Interest payments, term					10 years
Loan amortization, term					25 years
Loan #2 [Member]
Bank Debt [Line Items]
Bearing interest percentage					3.50%
Interest payments, term					7 years
Balloon principal payment					$ 3,500,000
Loan #3 [Member] \| Maine Technology Institute [Member]
Bank Debt [Line Items]
Loan amortization, term				2 years 3 months
Principal payment				$ 500,000
Loans #4 [Member] \| Gorham Savings Bank [Member]
Bank Debt [Line Items]
Debt financing			$ 1,500,000
Bearing interest percentage			3.50%
Loan amortization, term			7 years
Loan #6 [Member]
Bank Debt [Line Items]
Debt financing									$ 2,000,000
Bearing interest percentage									7.00%
Finance loan provided									$ 1,000,000
Loan #6 [Member] \| Maine Technology Institute [Member]
Bank Debt [Line Items]
Debt financing			$ 1,400,000
Proceeds from issuance of loan			$ 624,167
Loan to value ratio			80.00%
Loan #5 [Member]
Bank Debt [Line Items]
Principal payment		$ 400,000
Interest fixed rate		5.00%
Loan #5 [Member] \| Gorham Savings Bank [Member]
Bank Debt [Line Items]
Loan amortization, term		5 years 6 months
Loan #7 [Member]
Bank Debt [Line Items]
Debt financing									$ 1,000,000
Bearing interest percentage									8.00%
Forecast [Member]
Bank Debt [Line Items]
Balloon principal payment						$ 649,259
DSC ratio							1.35
Forecast [Member] \| Maine Technology Institute [Member]
Bank Debt [Line Items]
Loan amortization, term	5 years
Forecast [Member] \| Loan #3 [Member]
Bank Debt [Line Items]
Interest fixed rate	5.00%
Forecast [Member] \| Loan #6 [Member]
Bank Debt [Line Items]
Balloon principal payment						$ 1,285,047
Forecast [Member] \| Loan #6 [Member] \| Mortgage Note [Member]
Bank Debt [Line Items]
Loan amortization, term						7 years
Forecast [Member] \| Loan #7 [Member]
Bank Debt [Line Items]
Loan amortization, term						7 years